reduce PSRAM allocated to lvgl

Merge branch 'master' into arduino-esp32-v3.2
Merge pull request #7526 from DaneEvans/ci/merge-queue
2025-12-14 23:02:53 +00:00 · 2025-09-18 10:17:58 +02:00 · 2025-09-18 09:48:51 +02:00 · 2025-09-17 19:07:00 -05:00 · 2025-09-17 19:06:24 -05:00 · 2025-09-17 22:40:55 +02:00
133 changed files with 3044 additions and 412 deletions
--- a/.github/actions/setup-base/action.yml
+++ b/.github/actions/setup-base/action.yml
@@ -11,11 +11,6 @@ runs:
        ref: ${{github.event.pull_request.head.ref}}
        repository: ${{github.event.pull_request.head.repo.full_name}}

-    - name: Uncomment build epoch
-      shell: bash
-      run: |
-        sed -i 's/#-DBUILD_EPOCH=$UNIX_TIME/-DBUILD_EPOCH=$UNIX_TIME/' platformio.ini
-
    - name: Install dependencies
      shell: bash
      run: |
@@ -23,7 +18,7 @@ runs:
        sudo apt-get install -y cppcheck libbluetooth-dev libgpiod-dev libyaml-cpp-dev lsb-release

    - name: Setup Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
      with:
        python-version: 3.x
        cache: pip
--- a/.github/workflows/main_matrix.yml
+++ b/.github/workflows/main_matrix.yml
@@ -3,7 +3,7 @@ concurrency:
  group: ci-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true
 on:
-  # # Triggers the workflow on push but only for the master branch
+  # # Triggers the workflow on push but only for the main branches
  push:
    branches:
      - master
@@ -43,7 +43,7 @@ jobs:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
        with:
          python-version: 3.x
          cache: pip
@@ -258,6 +258,7 @@ jobs:
      push: false

  gather-artifacts:
+    # trunk-ignore(checkov/CKV2_GHA_1)
    permissions:
      contents: write
      pull-requests: write
@@ -370,7 +371,7 @@ jobs:
        uses: actions/checkout@v5

      - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
        with:
          python-version: 3.x

@@ -439,7 +440,7 @@ jobs:
        uses: actions/checkout@v5

      - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
        with:
          python-version: 3.x

@@ -494,7 +495,7 @@ jobs:
        uses: actions/checkout@v5

      - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
        with:
          python-version: 3.x

--- a/.github/workflows/merge_queue.yml
+++ b/.github/workflows/merge_queue.yml
@@ -0,0 +1,508 @@
+name: Merge Queue
+# Not sure how concurrency works in merge_queue, removing for now.
+# concurrency:
+#   group: merge-queue-${{ github.head_ref || github.run_id }}
+#   cancel-in-progress: true
+on:
+  # Merge group is a special trigger that is used to trigger the workflow when a merge group is created.
+  merge_group:
+
+env:
+  FAIL_FAST_PER_ARCH: true
+
+jobs:
+  setup:
+    strategy:
+      fail-fast: true
+      matrix:
+        arch:
+          - esp32
+          - esp32s3
+          - esp32c3
+          - esp32c6
+          - nrf52840
+          - rp2040
+          - rp2350
+          - stm32
+          - check
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+          cache: pip
+      - run: pip install -U platformio
+      - name: Generate matrix
+        id: jsonStep
+        run: |
+          if [[ "$GITHUB_HEAD_REF" == "" ]]; then
+            TARGETS=$(./bin/generate_ci_matrix.py ${{matrix.arch}})
+          else  
+            TARGETS=$(./bin/generate_ci_matrix.py ${{matrix.arch}} pr)
+          fi
+          echo "Name: $GITHUB_REF_NAME Base: $GITHUB_BASE_REF Ref: $GITHUB_REF Targets: $TARGETS"
+          echo "${{matrix.arch}}=$(jq -cn --argjson environments "$TARGETS" '{board: $environments}')" >> $GITHUB_OUTPUT
+    outputs:
+      esp32: ${{ steps.jsonStep.outputs.esp32 }}
+      esp32s3: ${{ steps.jsonStep.outputs.esp32s3 }}
+      esp32c3: ${{ steps.jsonStep.outputs.esp32c3 }}
+      esp32c6: ${{ steps.jsonStep.outputs.esp32c6 }}
+      nrf52840: ${{ steps.jsonStep.outputs.nrf52840 }}
+      rp2040: ${{ steps.jsonStep.outputs.rp2040 }}
+      rp2350: ${{ steps.jsonStep.outputs.rp2350 }}
+      stm32: ${{ steps.jsonStep.outputs.stm32 }}
+      check: ${{ steps.jsonStep.outputs.check }}
+
+  version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Get release version string
+        run: |
+          echo "long=$(./bin/buildinfo.py long)" >> $GITHUB_OUTPUT
+          echo "deb=$(./bin/buildinfo.py deb)" >> $GITHUB_OUTPUT
+        id: version
+        env:
+          BUILD_LOCATION: local
+    outputs:
+      long: ${{ steps.version.outputs.long }}
+      deb: ${{ steps.version.outputs.deb }}
+
+  check:
+    needs: setup
+    strategy:
+      fail-fast: true
+      matrix: ${{ fromJson(needs.setup.outputs.check) }}
+
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name != 'workflow_dispatch' }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build base
+        id: base
+        uses: ./.github/actions/setup-base
+      - name: Check ${{ matrix.board }}
+        run: bin/check-all.sh ${{ matrix.board }}
+
+  build-esp32:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.esp32) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: esp32
+
+  build-esp32s3:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.esp32s3) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: esp32s3
+
+  build-esp32c3:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.esp32c3) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: esp32c3
+
+  build-esp32c6:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.esp32c6) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: esp32c6
+
+  build-nrf52840:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.nrf52840) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: nrf52840
+
+  build-rp2040:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.rp2040) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: rp2040
+
+  build-rp2350:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.rp2350) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: rp2350
+
+  build-stm32:
+    needs: [setup, version]
+    strategy:
+      fail-fast: ${{ vars.FAIL_FAST_PER_ARCH == true }}
+      matrix: ${{ fromJson(needs.setup.outputs.stm32) }}
+    uses: ./.github/workflows/build_firmware.yml
+    with:
+      version: ${{ needs.version.outputs.long }}
+      pio_env: ${{ matrix.board }}
+      platform: stm32
+
+  build-debian-src:
+    if: github.repository == 'meshtastic/firmware'
+    uses: ./.github/workflows/build_debian_src.yml
+    with:
+      series: UNRELEASED
+      build_location: local
+    secrets: inherit
+
+  package-pio-deps-native-tft:
+    if: ${{ github.event_name == 'workflow_dispatch' }}
+    uses: ./.github/workflows/package_pio_deps.yml
+    with:
+      pio_env: native-tft
+    secrets: inherit
+
+  test-native:
+    if: ${{ !contains(github.ref_name, 'event/') }}
+    uses: ./.github/workflows/test_native.yml
+
+  docker-deb-amd64:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: debian
+      platform: linux/amd64
+      runs-on: ubuntu-24.04
+      push: false
+
+  docker-deb-amd64-tft:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: debian
+      platform: linux/amd64
+      runs-on: ubuntu-24.04
+      push: false
+      pio_env: native-tft
+
+  docker-alp-amd64:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: alpine
+      platform: linux/amd64
+      runs-on: ubuntu-24.04
+      push: false
+
+  docker-alp-amd64-tft:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: alpine
+      platform: linux/amd64
+      runs-on: ubuntu-24.04
+      push: false
+      pio_env: native-tft
+
+  docker-deb-arm64:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: debian
+      platform: linux/arm64
+      runs-on: ubuntu-24.04-arm
+      push: false
+
+  docker-deb-armv7:
+    uses: ./.github/workflows/docker_build.yml
+    with:
+      distro: debian
+      platform: linux/arm/v7
+      runs-on: ubuntu-24.04-arm
+      push: false
+
+  gather-artifacts:
+    # trunk-ignore(checkov/CKV2_GHA_1)
+    permissions:
+      contents: write
+      pull-requests: write
+    strategy:
+      fail-fast: false
+      matrix:
+        arch:
+          - esp32
+          - esp32s3
+          - esp32c3
+          - esp32c6
+          - nrf52840
+          - rp2040
+          - rp2350
+          - stm32
+    runs-on: ubuntu-latest
+    needs:
+      [
+        version,
+        build-esp32,
+        build-esp32s3,
+        build-esp32c3,
+        build-esp32c6,
+        build-nrf52840,
+        build-rp2040,
+        build-rp2350,
+        build-stm32,
+      ]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{github.event.pull_request.head.ref}}
+          repository: ${{github.event.pull_request.head.repo.full_name}}
+
+      - uses: actions/download-artifact@v4
+        with:
+          path: ./
+          pattern: firmware-${{matrix.arch}}-*
+          merge-multiple: true
+
+      - name: Display structure of downloaded files
+        run: ls -R
+
+      - name: Move files up
+        run: mv -b -t ./ ./bin/device-*.sh ./bin/device-*.bat
+
+      - name: Repackage in single firmware zip
+        uses: actions/upload-artifact@v4
+        with:
+          name: firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}
+          overwrite: true
+          path: |
+            ./firmware-*.bin
+            ./firmware-*.uf2
+            ./firmware-*.hex
+            ./firmware-*-ota.zip
+            ./device-*.sh
+            ./device-*.bat
+            ./littlefs-*.bin
+            ./bleota*bin
+            ./Meshtastic_nRF52_factory_erase*.uf2
+          retention-days: 30
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}
+          merge-multiple: true
+          path: ./output
+
+      # For diagnostics
+      - name: Show artifacts
+        run: ls -lR
+
+      - name: Device scripts permissions
+        run: |
+          chmod +x ./output/device-install.sh
+          chmod +x ./output/device-update.sh
+
+      - name: Zip firmware
+        run: zip -j -9 -r ./firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip ./output
+
+      - name: Repackage in single elfs zip
+        uses: actions/upload-artifact@v4
+        with:
+          name: debug-elfs-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip
+          overwrite: true
+          path: ./*.elf
+          retention-days: 30
+
+      - uses: scruplelesswizard/comment-artifact@main
+        if: ${{ github.event_name == 'pull_request' }}
+        with:
+          name: firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}
+          description: "Download firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip. This artifact will be available for 90 days from creation"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  release-artifacts:
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'workflow_dispatch' }}
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
+    needs:
+      - version
+      - gather-artifacts
+      - build-debian-src
+      - package-pio-deps-native-tft
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        id: create_release
+        with:
+          draft: true
+          prerelease: true
+          name: Meshtastic Firmware ${{ needs.version.outputs.long }} Alpha
+          tag_name: v${{ needs.version.outputs.long }}
+          body: |
+            Autogenerated by github action, developer should edit as required before publishing...
+
+      - name: Download source deb
+        uses: actions/download-artifact@v4
+        with:
+          pattern: firmware-debian-${{ needs.version.outputs.deb }}~UNRELEASED-src
+          merge-multiple: true
+          path: ./output/debian-src
+
+      - name: Download `native-tft` pio deps
+        uses: actions/download-artifact@v4
+        with:
+          pattern: platformio-deps-native-tft-${{ needs.version.outputs.long }}
+          merge-multiple: true
+          path: ./output/pio-deps-native-tft
+
+      - name: Zip Linux sources
+        working-directory: output
+        run: |
+          zip -j -9 -r ./meshtasticd-${{ needs.version.outputs.deb }}-src.zip ./debian-src
+          zip -9 -r ./platformio-deps-native-tft-${{ needs.version.outputs.long }}.zip ./pio-deps-native-tft
+
+      # For diagnostics
+      - name: Display structure of downloaded files
+        run: ls -lR
+
+      - name: Add Linux sources to GtiHub Release
+        # Only run when targeting master branch with workflow_dispatch
+        if: ${{ github.ref_name == 'master' }}
+        run: |
+          gh release upload v${{ needs.version.outputs.long }} ./output/meshtasticd-${{ needs.version.outputs.deb }}-src.zip
+          gh release upload v${{ needs.version.outputs.long }} ./output/platformio-deps-native-tft-${{ needs.version.outputs.long }}.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  release-firmware:
+    strategy:
+      fail-fast: false
+      matrix:
+        arch:
+          - esp32
+          - esp32s3
+          - esp32c3
+          - esp32c6
+          - nrf52840
+          - rp2040
+          - rp2350
+          - stm32
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'workflow_dispatch' }}
+    needs: [release-artifacts, version]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}
+          merge-multiple: true
+          path: ./output
+
+      - name: Display structure of downloaded files
+        run: ls -lR
+
+      - name: Device scripts permissions
+        run: |
+          chmod +x ./output/device-install.sh
+          chmod +x ./output/device-update.sh
+
+      - name: Zip firmware
+        run: zip -j -9 -r ./firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip ./output
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: debug-elfs-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip
+          merge-multiple: true
+          path: ./elfs
+
+      - name: Zip debug elfs
+        run: zip -j -9 -r ./debug-elfs-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip ./elfs
+
+      # For diagnostics
+      - name: Display structure of downloaded files
+        run: ls -lR
+
+      - name: Add bins and debug elfs to GitHub Release
+        # Only run when targeting master branch with workflow_dispatch
+        if: ${{ github.ref_name == 'master' }}
+        run: |
+          gh release upload v${{ needs.version.outputs.long }} ./firmware-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip
+          gh release upload v${{ needs.version.outputs.long }} ./debug-elfs-${{matrix.arch}}-${{ needs.version.outputs.long }}.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  publish-firmware:
+    runs-on: ubuntu-24.04
+    if: ${{ github.event_name == 'workflow_dispatch' }}
+    needs: [release-firmware, version]
+    env:
+      targets: |-
+        esp32,esp32s3,esp32c3,esp32c6,nrf52840,rp2040,rp2350,stm32
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: firmware-{${{ env.targets }}}-${{ needs.version.outputs.long }}
+          merge-multiple: true
+          path: ./publish
+
+      - name: Publish firmware to meshtastic.github.io
+        uses: peaceiris/actions-gh-pages@v4
+        env:
+          # On event/* branches, use the event name as the destination prefix
+          DEST_PREFIX: ${{ contains(github.ref_name, 'event/') && format('{0}/', github.ref_name) || '' }}
+        with:
+          deploy_key: ${{ secrets.DIST_PAGES_DEPLOY_KEY }}
+          external_repository: meshtastic/meshtastic.github.io
+          publish_branch: master
+          publish_dir: ./publish
+          destination_dir: ${{ env.DEST_PREFIX }}firmware-${{ needs.version.outputs.long }}
+          keep_files: true
+          user_name: github-actions[bot]
+          user_email: github-actions[bot]@users.noreply.github.com
+          commit_message: ${{ needs.version.outputs.long }}
+          enable_jekyll: true
--- a/.github/workflows/package_pio_deps.yml
+++ b/.github/workflows/package_pio_deps.yml
@@ -31,7 +31,7 @@ jobs:
          repository: ${{github.event.pull_request.head.repo.full_name}}

      - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
        with:
          python-version: 3.x

--- a/.github/workflows/pr_enforce_labels.yml
+++ b/.github/workflows/pr_enforce_labels.yml
@@ -13,7 +13,7 @@ jobs:
    runs-on: ubuntu-24.04
    steps:
      - name: Check for PR labels
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
        with:
          script: |
            const labels = context.payload.pull_request.labels.map(label => label.name);
--- a/.github/workflows/pr_tests.yml
+++ b/.github/workflows/pr_tests.yml
@@ -177,7 +177,7 @@ jobs:

      - name: Comment test results on PR
        if: github.event_name == 'pull_request' && needs.native-tests.result != 'skipped'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
        with:
          script: |
            const fs = require('fs');
--- a/.github/workflows/release_channels.yml
+++ b/.github/workflows/release_channels.yml
@@ -63,7 +63,7 @@ jobs:
        uses: actions/checkout@v5

      - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
        with:
          python-version: 3.x

--- a/.github/workflows/stale_bot.yml
+++ b/.github/workflows/stale_bot.yml
@@ -17,7 +17,7 @@ jobs:

    steps:
      - name: Stale PR+Issues
-        uses: actions/stale@v9.1.0
+        uses: actions/stale@v10.0.0
        with:
          days-before-stale: 45
          exempt-issue-labels: pinned,3.0
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -47,7 +47,7 @@ jobs:
          pio upgrade

      - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
        with:
          node-version: 22

--- a/.github/workflows/trunk_format_pr.yml
+++ b/.github/workflows/trunk_format_pr.yml
@@ -39,7 +39,7 @@ jobs:
          git push

      - name: Comment on PR
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
--- a/.gitignore
+++ b/.gitignore
@@ -39,5 +39,14 @@ release/
 src/mesh/raspihttp/certificate.pem
 src/mesh/raspihttp/private_key.pem

+# pioarduino platform
+managed_components/*
+arduino-lib-builder*
+dependencies.lock
+idf_component.yml
+CMakeLists.txt
+sdkconfig.*
+.dummy/*
+
 # Ignore logo (set at build time with platformio-custom.py)
 data/boot/logo.*
--- a/.trunk/trunk.yaml
+++ b/.trunk/trunk.yaml
@@ -8,22 +8,22 @@ plugins:
      uri: https://github.com/trunk-io/plugins
 lint:
  enabled:
-    - checkov@3.2.469
-    - renovate@41.93.2
+    - checkov@3.2.471
+    - renovate@41.115.2
    - prettier@3.6.2
-    - trufflehog@3.90.5
+    - trufflehog@3.90.6
    - yamllint@1.37.1
    - bandit@1.8.6
-    - trivy@0.65.0
+    - trivy@0.66.0
    - taplo@0.10.0
-    - ruff@0.12.11
+    - ruff@0.13.0
    - isort@6.0.1
    - markdownlint@0.45.0
    - oxipng@9.1.5
    - svgo@4.0.0
    - actionlint@1.7.7
    - flake8@7.3.0
-    - hadolint@2.12.1-beta
+    - hadolint@2.13.1
    - shfmt@3.6.0
    - shellcheck@0.11.0
    - black@25.1.0
--- a/8MB_no_ota.csv
+++ b/8MB_no_ota.csv
@@ -0,0 +1,6 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x660000,
+spiffs,   data, spiffs,  0x670000,0x180000,
+coredump, data, coredump,0x7F0000,0x10000,
--- a/arch/esp32/esp32.ini
+++ b/arch/esp32/esp32.ini
@@ -52,8 +52,8 @@ lib_deps =
  https://github.com/meshtastic/esp32_https_server/archive/3223704846752e6d545139204837bdb2a55459ca.zip
  # renovate: datasource=custom.pio depName=NimBLE-Arduino packageName=h2zero/library/NimBLE-Arduino
  h2zero/NimBLE-Arduino@^1.4.3
-  # renovate: datasource=git-refs depName=libpax packageName=https://github.com/dbinfrago/libpax gitBranch=master
-  https://github.com/dbinfrago/libpax/archive/3cdc0371c375676a97967547f4065607d4c53fd1.zip
+  # renovate: datasource=git-refs depName=libpax packageName=https://github.com/mverch67/libpax gitBranch=master
+  https://github.com/mverch67/libpax/archive/6f52ee989301cdabaeef00bcbf93bff55708ce2f.zip
  # renovate: datasource=github-tags depName=XPowersLib packageName=lewisxhe/XPowersLib
  https://github.com/lewisxhe/XPowersLib/archive/v0.3.0.zip
  # renovate: datasource=git-refs depName=meshtastic-ESP32_Codec2 packageName=https://github.com/meshtastic/ESP32_Codec2 gitBranch=master
--- a/arch/portduino/portduino.ini
+++ b/arch/portduino/portduino.ini
@@ -31,6 +31,8 @@ lib_deps =
  https://github.com/pine64/libch341-spi-userspace/archive/af9bc27c9c30fa90772279925b7c5913dff789b4.zip
  # renovate: datasource=custom.pio depName=adafruit/Adafruit seesaw Library packageName=adafruit/library/Adafruit seesaw Library
 	adafruit/Adafruit seesaw Library@1.7.9
+  # renovate: datasource=git-refs depName=RAK12034-BMX160 packageName=https://github.com/RAKWireless/RAK12034-BMX160 gitBranch=main
+  https://github.com/RAKWireless/RAK12034-BMX160/archive/dcead07ffa267d3c906e9ca4a1330ab989e957e2.zip

 build_flags =
  ${arduino_base.build_flags}
--- a/bin/build-firmware.sh
+++ b/bin/build-firmware.sh
@@ -1,7 +1,5 @@
 #!/usr/bin/env bash

-sed -i 's/#-DBUILD_EPOCH=$UNIX_TIME/-DBUILD_EPOCH=$UNIX_TIME/' platformio.ini
-
 export PIP_BREAK_SYSTEM_PACKAGES=1

 if (echo $2 | grep -q "esp32"); then
--- a/bin/device-install.bat
+++ b/bin/device-install.bat
@@ -7,6 +7,7 @@ SET "DEBUG=0"
 SET "PYTHON="
 SET "TFT_BUILD=0"
 SET "BIGDB8=0"
+SET "MUIDB8=0"
 SET "BIGDB16=0"
 SET "ESPTOOL_BAUD=115200"
 SET "ESPTOOL_CMD="
@@ -17,7 +18,8 @@ SET "BPS_RESET=0"
 SET "S3=s3 v3 t-deck wireless-paper wireless-tracker station-g2 unphone t-eth-elite tlora-pager mesh-tab dreamcatcher ESP32-S3-Pico seeed-sensecap-indicator heltec_capsule_sensor_v3 vision-master icarus tracksenger elecrow-adv"
 SET "C3=esp32c3"
@REM FIXME: Determine flash size from PlatformIO variant, this is unmaintainable.
-SET "BIGDB_8MB=picomputer-s3 unphone seeed-sensecap-indicator crowpanel-esp32s3 heltec_capsule_sensor_v3 heltec-v3 heltec-vision-master-e213 heltec-vision-master-e290 heltec-vision-master-t190 heltec-wireless-paper heltec-wireless-tracker heltec-wsl-v3 icarus seeed-xiao-s3 tbeam-s3-core tracksenger"
+SET "BIGDB_8MB=crowpanel-esp32s3 heltec_capsule_sensor_v3 heltec-v3 heltec-vision-master-e213 heltec-vision-master-e290 heltec-vision-master-t190 heltec-wireless-paper heltec-wireless-tracker heltec-wsl-v3 icarus seeed-xiao-s3 tbeam-s3-core tracksenger"
+SET "MUIDB_8MB=picomputer-s3 unphone seeed-sensecap-indicator"
 SET "BIGDB_16MB=t-deck mesh-tab t-energy-s3 dreamcatcher ESP32-S3-Pico m5stack-cores3 station-g2 t-eth-elite tlora-pager t-watch-s3 elecrow-adv"

 GOTO getopts
@@ -119,11 +121,10 @@ IF NOT "__%PYTHON%__"=="____" (

 CALL :LOG_MESSAGE DEBUG "Checking esptool command !ESPTOOL_CMD!..."
 !ESPTOOL_CMD! >nul 2>&1
-IF %ERRORLEVEL% GEQ 2 (
-    @REM esptool exits with code 1 if help is displayed.
+IF %ERRORLEVEL% EQU 9009 (
+    @REM 9009 = command not found on Windows
    CALL :LOG_MESSAGE ERROR "esptool not found: !ESPTOOL_CMD!"
    EXIT /B 1
-    GOTO eof
 )
 IF %DEBUG% EQU 1 (
    CALL :LOG_MESSAGE DEBUG "Skipping ESPTOOL_CMD steps."
@@ -163,6 +164,15 @@ FOR %%a IN (%BIGDB_8MB%) DO (
 )
 :end_loop_bigdb_8mb

+FOR %%a IN (%MUIDB_8MB%) DO (
+    IF NOT "!FILENAME:%%a=!"=="!FILENAME!" (
+        @REM We are working with any of %MUIDB_8MB%.
+        SET "MUIDB8=1"
+        GOTO end_loop_muidb_8mb
+    )
+)
+:end_loop_muidb_8mb
+
 FOR %%a IN (%BIGDB_16MB%) DO (
    IF NOT "!FILENAME:%%a=!"=="!FILENAME!" (
        @REM We are working with any of %BIGDB_16MB%.
@@ -173,6 +183,7 @@ FOR %%a IN (%BIGDB_16MB%) DO (
 :end_loop_bigdb_16mb

 IF %BIGDB8% EQU 1 CALL :LOG_MESSAGE INFO "BigDB 8mb partition selected."
+IF %MUIDB8% EQU 1 CALL :LOG_MESSAGE INFO "MUIDB 8mb partition selected."
 IF %BIGDB16% EQU 1 CALL :LOG_MESSAGE INFO "BigDB 16mb partition selected."

@REM Extract BASENAME from %FILENAME% for later use.
@@ -217,6 +228,12 @@ IF %BIGDB8% EQU 1 (
    SET "SPIFFS_OFFSET=0x670000"
 )

+@REM Offsets for MUIDB 8mb.
+IF %MUIDB8% EQU 1 (
+    SET "OTA_OFFSET=0x5D0000"
+    SET "SPIFFS_OFFSET=0x670000"
+)
+
@REM Offsets for BigDB 16mb.
 IF %BIGDB16% EQU 1 (
    SET "OTA_OFFSET=0x650000"
@@ -233,14 +250,14 @@ IF NOT EXIST !SPIFFS_FILENAME! CALL :LOG_MESSAGE ERROR "File does not exist: "!S

@REM Flashing operations.
 CALL :LOG_MESSAGE INFO "Trying to flash "!FILENAME!", but first erasing and writing system information..."
-CALL :RUN_ESPTOOL !ESPTOOL_BAUD! erase-flash || GOTO eof
-CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write-flash 0x00 "!FILENAME!" || GOTO eof
+CALL :RUN_ESPTOOL !ESPTOOL_BAUD! erase_flash || GOTO eof
+CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write_flash 0x00 "!FILENAME!" || GOTO eof

 CALL :LOG_MESSAGE INFO "Trying to flash BLEOTA "!OTA_FILENAME!" at OTA_OFFSET !OTA_OFFSET!..."
-CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write-flash !OTA_OFFSET! "!OTA_FILENAME!" || GOTO eof
+CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write_flash !OTA_OFFSET! "!OTA_FILENAME!" || GOTO eof

 CALL :LOG_MESSAGE INFO "Trying to flash SPIFFS "!SPIFFS_FILENAME!" at SPIFFS_OFFSET !SPIFFS_OFFSET!..."
-CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write-flash !SPIFFS_OFFSET! "!SPIFFS_FILENAME!" || GOTO eof
+CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write_flash !SPIFFS_OFFSET! "!SPIFFS_FILENAME!" || GOTO eof

 CALL :LOG_MESSAGE INFO "Script complete!."

@@ -252,9 +269,9 @@ EXIT /B %ERRORLEVEL%
 :RUN_ESPTOOL
@REM Subroutine used to run ESPTOOL_CMD with arguments.
@REM Also handles %ERRORLEVEL%.
-@REM CALL :RUN_ESPTOOL [Baud] [erase_flash|write-flash] [OFFSET] [Filename]
+@REM CALL :RUN_ESPTOOL [Baud] [erase_flash|write_flash] [OFFSET] [Filename]
@REM.
-@REM Example:: CALL :RUN_ESPTOOL 115200 write-flash 0x10000 "firmwarefile.bin"
+@REM Example:: CALL :RUN_ESPTOOL 115200 write_flash 0x10000 "firmwarefile.bin"
 IF %DEBUG% EQU 1 CALL :LOG_MESSAGE DEBUG "About to run command: !ESPTOOL_CMD! --baud %~1 %~2 %~3 %~4"
 CALL :RESET_ERROR
 !ESPTOOL_CMD! --baud %~1 %~2 %~3 %~4
--- a/bin/device-install.sh
+++ b/bin/device-install.sh
@@ -5,11 +5,12 @@ BPS_RESET=false
 TFT_BUILD=false
 MCU=""

+# Constants
+RESET_BAUD=1200
+FIRMWARE_OFFSET=0x00
+
 # Variant groups
 BIGDB_8MB=(
-	"picomputer-s3"
-	"unphone"
-	"seeed-sensecap-indicator"
    "crowpanel-esp32s3"
    "heltec_capsule_sensor_v3"
    "heltec-v3"
@@ -24,6 +25,11 @@ BIGDB_8MB=(
    "tbeam-s3-core"
    "tracksenger"
 )
+MUIDB_8MB=(
+    "picomputer-s3"
+    "unphone"
+    "seeed-sensecap-indicator"
+)
 BIGDB_16MB=(
    "t-deck"
    "mesh-tab"
@@ -121,7 +127,7 @@ while [ $# -gt 0 ]; do
 done

 if [[ $BPS_RESET == true ]]; then
-	$ESPTOOL_CMD --baud 1200 --after no_reset read_flash_status
+	$ESPTOOL_CMD --baud $RESET_BAUD --after no_reset read_flash_status
 	exit 0
 fi

@@ -158,6 +164,13 @@ if [ -f "${FILENAME}" ] && [ -n "${FILENAME##*"update"*}" ]; then
        fi
    done

+    for variant in "${MUIDB_8MB[@]}"; do
+        if [ -z "${FILENAME##*"$variant"*}" ]; then
+            OFFSET=0x670000
+            OTA_OFFSET=0x5D0000
+        fi
+    done
+
    # littlefs* offset for BigDB 16mb and OTA OFFSET.
    for variant in "${BIGDB_16MB[@]}"; do
        if [ -z "${FILENAME##*"$variant"*}" ]; then
@@ -202,11 +215,11 @@ if [ -f "${FILENAME}" ] && [ -n "${FILENAME##*"update"*}" ]; then

    echo "Trying to flash ${FILENAME}, but first erasing and writing system information"
    $ESPTOOL_CMD erase-flash
-    $ESPTOOL_CMD write-flash 0x00 "${FILENAME}"
+    $ESPTOOL_CMD write-flash $FIRMWARE_OFFSET "${FILENAME}"
    echo "Trying to flash ${OTAFILE} at offset ${OTA_OFFSET}"
-    $ESPTOOL_CMD write-flash $OTA_OFFSET "${OTAFILE}"
+    $ESPTOOL_CMD write_flash $OTA_OFFSET "${OTAFILE}"
    echo "Trying to flash ${SPIFFSFILE}, at offset ${OFFSET}"
-    $ESPTOOL_CMD write-flash $OFFSET "${SPIFFSFILE}"
+    $ESPTOOL_CMD write_flash $OFFSET "${SPIFFSFILE}"

 else
    show_help
--- a/bin/device-update.bat
+++ b/bin/device-update.bat
@@ -6,6 +6,8 @@ SET "SCRIPT_NAME=%~nx0"
 SET "DEBUG=0"
 SET "PYTHON="
 SET "ESPTOOL_BAUD=115200"
+SET "RESET_BAUD=1200"
+SET "UPDATE_OFFSET=0x10000"
 SET "ESPTOOL_CMD="
 SET "LOGCOUNTER=0"
 SET "CHANGE_MODE=0"
@@ -85,14 +87,13 @@ IF "!FILENAME:update=!"=="!FILENAME!" (
 )

 :skip-filename
-SET "ESPTOOL_BAUD=1200"

 CALL :LOG_MESSAGE DEBUG "Determine the correct esptool command to use..."
 IF NOT "__%PYTHON%__"=="____" (
-    SET "ESPTOOL_CMD=!PYTHON! -m esptool"
+    SET "ESPTOOL_CMD=""!PYTHON!"" -m esptool"
    CALL :LOG_MESSAGE DEBUG "Python interpreter supplied."
 ) ELSE (
-    CALL :LOG_MESSAGE DEBUG "Python interpreter NOT supplied. Looking for esptool...
+    CALL :LOG_MESSAGE DEBUG "Python interpreter NOT supplied. Looking for esptool..."
    WHERE esptool >nul 2>&1
    IF %ERRORLEVEL% EQU 0 (
        @REM WHERE exits with code 0 if esptool is found.
@@ -105,11 +106,11 @@ IF NOT "__%PYTHON%__"=="____" (

 CALL :LOG_MESSAGE DEBUG "Checking esptool command !ESPTOOL_CMD!..."
 !ESPTOOL_CMD! >nul 2>&1
-IF %ERRORLEVEL% GEQ 2 (
-    @REM esptool exits with code 1 if help is displayed.
+CALL :LOG_MESSAGE DEBUG "esptool exit code: %ERRORLEVEL%"
+IF %ERRORLEVEL% EQU 9009 (
+    @REM 9009 = command not found on Windows
    CALL :LOG_MESSAGE ERROR "esptool not found: !ESPTOOL_CMD!"
    EXIT /B 1
-    GOTO eof
 )
 IF %DEBUG% EQU 1 (
    CALL :LOG_MESSAGE DEBUG "Skipping ESPTOOL_CMD steps."
@@ -127,13 +128,13 @@ CALL :LOG_MESSAGE INFO "Using esptool baud: !ESPTOOL_BAUD!."

 IF %CHANGE_MODE% EQU 1 (
    @REM Attempt to change mode via 1200bps Reset.
-    CALL :RUN_ESPTOOL !ESPTOOL_BAUD! --after no_reset read_flash_status
+    CALL :RUN_ESPTOOL !RESET_BAUD! --after no_reset read_flash_status
    GOTO eof
 )

@REM Flashing operations.
-CALL :LOG_MESSAGE INFO "Trying to flash update "!FILENAME!" at OFFSET 0x10000..."
-CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write-flash 0x10000 "!FILENAME!" || GOTO eof
+CALL :LOG_MESSAGE INFO "Trying to flash update "!FILENAME!" at OFFSET !UPDATE_OFFSET!..."
+CALL :RUN_ESPTOOL !ESPTOOL_BAUD! write-flash !UPDATE_OFFSET! "!FILENAME!" || GOTO eof

 CALL :LOG_MESSAGE INFO "Script complete!."

--- a/bin/device-update.sh
+++ b/bin/device-update.sh
@@ -3,6 +3,11 @@
 PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
 CHANGE_MODE=false

+# Constants
+FLASH_BAUD=115200
+RESET_BAUD=1200
+UPDATE_OFFSET=0x10000
+
 # Determine the correct esptool command to use
 if "$PYTHON" -m esptool version >/dev/null 2>&1; then
    ESPTOOL_CMD="$PYTHON -m esptool"
@@ -64,7 +69,7 @@ done
 shift "$((OPTIND-1))"

 if [ "$CHANGE_MODE" = true ]; then
-	$ESPTOOL_CMD --baud 1200 --after no_reset read_flash_status
+	$ESPTOOL_CMD --baud $RESET_BAUD --after no_reset read_flash_status
    exit 0
 fi

@@ -75,7 +80,7 @@ fi

 if [ -f "${FILENAME}" ] && [ -z "${FILENAME##*"update"*}" ]; then
    echo "Trying to flash update ${FILENAME}"
-    $ESPTOOL_CMD --baud 115200 write-flash 0x10000 "${FILENAME}"
+    $ESPTOOL_CMD --baud $FLASH_BAUD write-flash $UPDATE_OFFSET "${FILENAME}"
 else
    show_help
    echo "Invalid file: ${FILENAME}"
--- a/bin/org.meshtastic.meshtasticd.metainfo.xml
+++ b/bin/org.meshtastic.meshtasticd.metainfo.xml
@@ -87,6 +87,9 @@
  </screenshots>

  <releases>
+    <release version="2.7.9" date="2025-09-03">
+      <url type="details">https://github.com/meshtastic/firmware/releases?q=tag%3Av2.7.9</url>
+    </release>
    <release version="2.7.8" date="2025-08-30">
      <url type="details">https://github.com/meshtastic/firmware/releases?q=tag%3Av2.7.8</url>
    </release>
--- a/bin/platformio-custom.py
+++ b/bin/platformio-custom.py
@@ -6,6 +6,8 @@ from os.path import join
 import subprocess
 import json
 import re
+import time
+from datetime import datetime

 from readprops import readProps

@@ -125,11 +127,16 @@ for pref in userPrefs:
        pref_flags.append("-D" + pref + "=" + env.StringifyMacro(userPrefs[pref]) + "")

 # General options that are passed to the C and C++ compilers
+# Calculate unix epoch for current day (midnight)
+current_date = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
+build_epoch = int(current_date.timestamp())
+
 flags = [
        "-DAPP_VERSION=" + verObj["long"],
        "-DAPP_VERSION_SHORT=" + verObj["short"],
        "-DAPP_ENV=" + env.get("PIOENV"),
        "-DAPP_REPO=" + repo_owner,
+        "-DBUILD_EPOCH=" + str(build_epoch),
    ] + pref_flags

 print ("Using flags:")
--- a/boards/seeed-sensecap-indicator.json
+++ b/boards/seeed-sensecap-indicator.json
@@ -2,7 +2,7 @@
  "build": {
    "arduino": {
      "ldscript": "esp32s3_out.ld",
-      "partitions": "default_8MB.csv",
+      "partitions": "partition-table-8MB.csv",
      "memory_type": "qio_opi"
    },
    "core": "esp32",
@@ -16,6 +16,7 @@
    "f_cpu": "240000000L",
    "f_flash": "80000000L",
    "f_boot": "120000000L",
+    "boot_freq": "120000000L",
    "boot": "qio",
    "flash_mode": "qio",
    "psram_type": "opi",
--- a/boards/unphone.json
+++ b/boards/unphone.json
@@ -3,7 +3,7 @@
    "arduino": {
      "ldscript": "esp32s3_out.ld",
      "memory_type": "qio_opi",
-      "partitions": "default_8MB.csv"
+      "partitions": "partition-table-8MB.csv"
    },
    "core": "esp32",
    "extra_flags": [
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-meshtasticd (2.7.8.0) UNRELEASED; urgency=medium
+meshtasticd (2.7.9.0) UNRELEASED; urgency=medium

  [ Austin Lane ]
  * Initial packaging
@@ -44,4 +44,7 @@ meshtasticd (2.7.8.0) UNRELEASED; urgency=medium
  [  ]
  * GitHub Actions Automatic version bump

- --  <github-actions[bot]@users.noreply.github.com>  Sat, 30 Aug 2025 00:26:04 +0000
+  [  ]
+  * GitHub Actions Automatic version bump
+
+ --  <github-actions[bot]@users.noreply.github.com>  Wed, 03 Sep 2025 23:39:17 +0000
--- a/partition-table-8MB.csv
+++ b/partition-table-8MB.csv
@@ -0,0 +1,7 @@
+# This is a layout for 8MB of flash for MUI devices
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x5C0000,
+flashApp, app,  ota_1,   0x5D0000,0x0A0000,
+spiffs,   data, spiffs,  0x670000,0x180000
--- a/platformio.ini
+++ b/platformio.ini
@@ -53,14 +53,14 @@ build_flags = -Wno-missing-field-initializers
 	-DMESHTASTIC_EXCLUDE_POWERSTRESS=1 ; exclude power stress test module from main firmware
 	-DMESHTASTIC_EXCLUDE_GENERIC_THREAD_MODULE=1
 	-D MAX_THREADS=40 ; As we've split modules, we have more threads to manage
-	#-DBUILD_EPOCH=$UNIX_TIME
+	#-DBUILD_EPOCH=$UNIX_TIME ; set in platformio-custom.py now
 	#-D OLED_PL=1

 monitor_speed = 115200
 monitor_filters = direct
 lib_deps =
 	# renovate: datasource=git-refs depName=meshtastic-esp8266-oled-ssd1306 packageName=https://github.com/meshtastic/esp8266-oled-ssd1306 gitBranch=master
-	https://github.com/meshtastic/esp8266-oled-ssd1306/archive/9573abb64dc9c94f3051348f2bf4fc5cedf03c22.zip
+	https://github.com/meshtastic/esp8266-oled-ssd1306/archive/0cbc26b1f8f61957af0475f486b362eafe7cc4e2.zip
 	# renovate: datasource=git-refs depName=meshtastic-OneButton packageName=https://github.com/meshtastic/OneButton gitBranch=master
 	https://github.com/meshtastic/OneButton/archive/fa352d668c53f290cfa480a5f79ad422cd828c70.zip
 	# renovate: datasource=git-refs depName=meshtastic-arduino-fsm packageName=https://github.com/meshtastic/arduino-fsm gitBranch=master
@@ -87,8 +87,9 @@ check_flags =
 framework = arduino
 lib_deps =
 	${env.lib_deps}
-	# renovate: datasource=custom.pio depName=NonBlockingRTTTL packageName=end2endzone/library/NonBlockingRTTTL
-	end2endzone/NonBlockingRTTTL@1.3.0
+	# renovate: datasource=custom.pio depName=NonBlockingRTTTL packageName=mverch67/library/NonBlockingRTTTL
+	https://github.com/mverch67/NonBlockingRTTTL/archive/ad1c2fb12bc81db546c6a94e963acb3382d3689e.zip ; TODO
+
 build_flags = ${env.build_flags} -Os
 build_src_filter = ${env.build_src_filter} -<platform/portduino/> -<graphics/niche/>

@@ -99,8 +100,6 @@ lib_deps =
 	thingsboard/TBPubSubClient@2.12.1
 	# renovate: datasource=custom.pio depName=NTPClient packageName=arduino-libraries/library/NTPClient
 	arduino-libraries/NTPClient@3.2.1
-	# renovate: datasource=custom.pio depName=Syslog packageName=arcao/library/Syslog
-	arcao/Syslog@2.0.0

 ; Minimal networking libs for nrf52 (excludes Syslog to save flash)
 [nrf52_networking_base]
@@ -118,7 +117,7 @@ lib_deps =
 [device-ui_base]
 lib_deps =
 	# renovate: datasource=git-refs depName=meshtastic/device-ui packageName=https://github.com/meshtastic/device-ui gitBranch=master
-	https://github.com/meshtastic/device-ui/archive/10f02441ec7dcd099c4c5165c709afc3e0e3cb88.zip
+	https://github.com/meshtastic/device-ui/archive/9ed5355a24059750e9b2eb5d669574d9ea42a37b.zip

 ; Common libs for environmental measurements in telemetry module
 [environmental_base]
@@ -157,8 +156,8 @@ lib_deps =
 	emotibit/EmotiBit MLX90632@1.0.8
 	# renovate: datasource=custom.pio depName=Adafruit MLX90614 packageName=adafruit/library/Adafruit MLX90614 Library
 	adafruit/Adafruit MLX90614 Library@2.1.5
-	# renovate: datasource=github-tags depName=INA3221 packageName=KodinLanewave/INA3221
-	https://github.com/KodinLanewave/INA3221/archive/1.0.1.zip
+	# renovate: datasource=github-tags depName=INA3221 packageName=sgtwilko/INA3221
+	https://github.com/sgtwilko/INA3221#bb03d7e9bfcc74fc798838a54f4f99738f29fc6a
 	# renovate: datasource=custom.pio depName=QMC5883L Compass packageName=mprograms/library/QMC5883LCompass
 	mprograms/QMC5883LCompass@1.2.3
 	# renovate: datasource=custom.pio depName=DFRobot_RTU packageName=dfrobot/library/DFRobot_RTU
@@ -177,6 +176,8 @@ lib_deps =
 	adafruit/Adafruit PCT2075@1.0.5
 	# renovate: datasource=custom.pio depName=DFRobot_BMM150 packageName=dfrobot/library/DFRobot_BMM150
 	dfrobot/DFRobot_BMM150@1.0.0
+	# renovate: datasource=custom.pio depName=Adafruit_TSL2561 packageName=adafruit/library/Adafruit TSL2561
+	adafruit/Adafruit TSL2561@1.1.2

 ; (not included in native / portduino)
 [environmental_extra]
--- a/2
+++ b/2
--- a/src/AmbientLightingThread.h
+++ b/src/AmbientLightingThread.h
@@ -183,9 +183,9 @@ class AmbientLightingThread : public concurrency::OSThread
 #endif
 #endif
            pixels.show();
-            LOG_DEBUG("Init NeoPixel Ambient light w/ brightness(current)=%d, red=%d, green=%d, blue=%d",
-                      moduleConfig.ambient_lighting.current, moduleConfig.ambient_lighting.red,
-                      moduleConfig.ambient_lighting.green, moduleConfig.ambient_lighting.blue);
+            // LOG_DEBUG("Init NeoPixel Ambient light w/ brightness(current)=%d, red=%d, green=%d, blue=%d",
+            //        moduleConfig.ambient_lighting.current, moduleConfig.ambient_lighting.red,
+            //        moduleConfig.ambient_lighting.green, moduleConfig.ambient_lighting.blue);
 #endif
 #ifdef RGBLED_CA
            analogWrite(RGBLED_RED, 255 - moduleConfig.ambient_lighting.red);
--- a/src/DebugConfiguration.h
+++ b/src/DebugConfiguration.h
@@ -2,6 +2,12 @@

 #include "configuration.h"

+// Forward declarations
+#if defined(DEBUG_HEAP)
+class MemGet;
+extern MemGet memGet;
+#endif
+
 // DEBUG LED
 #ifndef LED_STATE_ON
 #define LED_STATE_ON 1
@@ -23,6 +29,7 @@
 #define MESHTASTIC_LOG_LEVEL_ERROR "ERROR"
 #define MESHTASTIC_LOG_LEVEL_CRIT "CRIT "
 #define MESHTASTIC_LOG_LEVEL_TRACE "TRACE"
+#define MESHTASTIC_LOG_LEVEL_HEAP "HEAP"

 #include "SerialConsole.h"

@@ -62,6 +69,25 @@
 #endif
 #endif

+#if defined(DEBUG_HEAP)
+#define LOG_HEAP(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_HEAP, __VA_ARGS__)
+
+// Macro-based heap debugging
+#define DEBUG_HEAP_BEFORE auto heapBefore = memGet.getFreeHeap();
+#define DEBUG_HEAP_AFTER(context, ptr)                                                                                           \
+    do {                                                                                                                         \
+        auto heapAfter = memGet.getFreeHeap();                                                                                   \
+        if (heapBefore != heapAfter) {                                                                                           \
+            LOG_HEAP("Alloc in %s pointer 0x%x, size: %u, free: %u", context, ptr, heapBefore - heapAfter, heapAfter);           \
+        }                                                                                                                        \
+    } while (0)
+
+#else
+#define LOG_HEAP(...)
+#define DEBUG_HEAP_BEFORE
+#define DEBUG_HEAP_AFTER(context, ptr)
+#endif
+
 /// A C wrapper for LOG_DEBUG that can be used from arduino C libs that don't know about C++ or meshtastic
 extern "C" void logLegacy(const char *level, const char *fmt, ...);

--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -833,17 +833,26 @@ void Power::readPowerStatus()
    newStatus.notifyObservers(&powerStatus2);
 #ifdef DEBUG_HEAP
    if (lastheap != memGet.getFreeHeap()) {
-        std::string threadlist = "Threads running:";
+        // Use stack-allocated buffer to avoid heap allocations in monitoring code
+        char threadlist[256] = "Threads running:";
+        int threadlistLen = strlen(threadlist);
        int running = 0;
        for (int i = 0; i < MAX_THREADS; i++) {
            auto thread = concurrency::mainController.get(i);
            if ((thread != nullptr) && (thread->enabled)) {
-                threadlist += vformat(" %s", thread->ThreadName.c_str());
+                // Use snprintf to safely append to stack buffer without heap allocation
+                int remaining = sizeof(threadlist) - threadlistLen - 1;
+                if (remaining > 0) {
+                    int written = snprintf(threadlist + threadlistLen, remaining, " %s", thread->ThreadName.c_str());
+                    if (written > 0 && written < remaining) {
+                        threadlistLen += written;
+                    }
+                }
                running++;
            }
        }
-        LOG_DEBUG(threadlist.c_str());
-        LOG_DEBUG("Heap status: %d/%d bytes free (%d), running %d/%d threads", memGet.getFreeHeap(), memGet.getHeapSize(),
+        LOG_HEAP(threadlist);
+        LOG_HEAP("Heap status: %d/%d bytes free (%d), running %d/%d threads", memGet.getFreeHeap(), memGet.getHeapSize(),
                 memGet.getFreeHeap() - lastheap, running, concurrency::mainController.size(false));
        lastheap = memGet.getFreeHeap();
    }
@@ -856,15 +865,19 @@ void Power::readPowerStatus()
        sprintf(mac, "!%02x%02x%02x%02x", dmac[2], dmac[3], dmac[4], dmac[5]);

        auto newHeap = memGet.getFreeHeap();
-        std::string heapTopic =
-            (*moduleConfig.mqtt.root ? moduleConfig.mqtt.root : "msh") + std::string("/2/heap/") + std::string(mac);
-        std::string heapString = std::to_string(newHeap);
-        mqtt->pubSub.publish(heapTopic.c_str(), heapString.c_str(), false);
+        // Use stack-allocated buffers to avoid heap allocations in monitoring code
+        char heapTopic[128];
+        snprintf(heapTopic, sizeof(heapTopic), "%s/2/heap/%s", (*moduleConfig.mqtt.root ? moduleConfig.mqtt.root : "msh"), mac);
+        char heapString[16];
+        snprintf(heapString, sizeof(heapString), "%u", newHeap);
+        mqtt->pubSub.publish(heapTopic, heapString, false);
+
        auto wifiRSSI = WiFi.RSSI();
-        std::string wifiTopic =
-            (*moduleConfig.mqtt.root ? moduleConfig.mqtt.root : "msh") + std::string("/2/wifi/") + std::string(mac);
-        std::string wifiString = std::to_string(wifiRSSI);
-        mqtt->pubSub.publish(wifiTopic.c_str(), wifiString.c_str(), false);
+        char wifiTopic[128];
+        snprintf(wifiTopic, sizeof(wifiTopic), "%s/2/wifi/%s", (*moduleConfig.mqtt.root ? moduleConfig.mqtt.root : "msh"), mac);
+        char wifiString[16];
+        snprintf(wifiString, sizeof(wifiString), "%d", wifiRSSI);
+        mqtt->pubSub.publish(wifiTopic, wifiString, false);
    }
 #endif

--- a/src/concurrency/OSThread.cpp
+++ b/src/concurrency/OSThread.cpp
@@ -86,9 +86,9 @@ void OSThread::run()
 #ifdef DEBUG_HEAP
    auto newHeap = memGet.getFreeHeap();
    if (newHeap < heap)
-        LOG_DEBUG("------ Thread %s leaked heap %d -> %d (%d) ------", ThreadName.c_str(), heap, newHeap, newHeap - heap);
+        LOG_HEAP("------ Thread %s leaked heap %d -> %d (%d) ------", ThreadName.c_str(), heap, newHeap, newHeap - heap);
    if (heap < newHeap)
-        LOG_DEBUG("++++++ Thread %s freed heap %d -> %d (%d) ++++++", ThreadName.c_str(), heap, newHeap, newHeap - heap);
+        LOG_HEAP("++++++ Thread %s freed heap %d -> %d (%d) ++++++", ThreadName.c_str(), heap, newHeap, newHeap - heap);
 #endif

    runned();
--- a/src/detect/ScanI2C.h
+++ b/src/detect/ScanI2C.h
@@ -80,6 +80,7 @@ class ScanI2C
        LTR553ALS,
        BHI260AP,
        BMM150,
+        TSL2561,
        DRV2605
    } DeviceType;

--- a/src/detect/ScanI2CTwoWire.cpp
+++ b/src/detect/ScanI2CTwoWire.cpp
@@ -294,6 +294,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                type = AHT10;
                break;
 #endif
+#if !defined(M5STACK_UNITC6L)
            case INA_ADDR:
            case INA_ADDR_ALTERNATE:
            case INA_ADDR_WAVESHARE_UPS:
@@ -340,6 +341,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                    // else: probably a RAK12500/UBLOX GPS on I2C
                }
                break;
+#endif
            case MCP9808_ADDR:
                // We need to check for STK8BAXX first, since register 0x07 is new data flag for the z-axis and can produce some
                // weird result. and register 0x00 doesn't seems to be colliding with MCP9808 and LIS3DH chips.
@@ -461,7 +463,17 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                SCAN_SIMPLE_CASE(LSM6DS3_ADDR, LSM6DS3, "LSM6DS3", (uint8_t)addr.address);
                SCAN_SIMPLE_CASE(TCA9555_ADDR, TCA9555, "TCA9555", (uint8_t)addr.address);
                SCAN_SIMPLE_CASE(VEML7700_ADDR, VEML7700, "VEML7700", (uint8_t)addr.address);
-                SCAN_SIMPLE_CASE(TSL25911_ADDR, TSL2591, "TSL2591", (uint8_t)addr.address);
+            case TSL25911_ADDR:
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x12), 1);
+                if (registerValue == 0x50) {
+                    type = TSL2591;
+                    logFoundDevice("TSL25911", (uint8_t)addr.address);
+                } else {
+                    type = TSL2561;
+                    logFoundDevice("TSL2561", (uint8_t)addr.address);
+                }
+                break;
+
                SCAN_SIMPLE_CASE(MLX90632_ADDR, MLX90632, "MLX90632", (uint8_t)addr.address);
                SCAN_SIMPLE_CASE(NAU7802_ADDR, NAU7802, "NAU7802", (uint8_t)addr.address);
                SCAN_SIMPLE_CASE(MAX1704X_ADDR, MAX17048, "MAX17048", (uint8_t)addr.address);
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -1,5 +1,4 @@
 #include <cstring> // Include for strstr
-#include <string>
 #include <vector>

 #include "configuration.h"
@@ -1206,7 +1205,7 @@ static const char *DETECTED_MESSAGE = "%s detected";
        LOG_DEBUG(PROBE_MESSAGE, COMMAND, FAMILY_NAME);                                                                          \
        clearBuffer();                                                                                                           \
        _serial_gps->write(COMMAND "\r\n");                                                                                      \
-        GnssModel_t detectedDriver = getProbeResponse(TIMEOUT, RESPONSE_MAP);                                                    \
+        GnssModel_t detectedDriver = getProbeResponse(TIMEOUT, RESPONSE_MAP, serialSpeed);                                       \
        if (detectedDriver != GNSS_MODEL_UNKNOWN) {                                                                              \
            return detectedDriver;                                                                                               \
        }                                                                                                                        \
@@ -1368,36 +1367,55 @@ GnssModel_t GPS::probe(int serialSpeed)
    return GNSS_MODEL_UNKNOWN;
 }

-GnssModel_t GPS::getProbeResponse(unsigned long timeout, const std::vector<ChipInfo> &responseMap)
+GnssModel_t GPS::getProbeResponse(unsigned long timeout, const std::vector<ChipInfo> &responseMap, int serialSpeed)
 {
-    String response = "";
+    // Calculate buffer size based on baud rate - 256 bytes for 9600 baud as baseline
+    // Higher baud rates get proportionally larger buffers to handle more data
+    int bufferSize = (serialSpeed * 256) / 9600;
+    // Clamp buffer size between reasonable limits
+    if (bufferSize < 128)
+        bufferSize = 128;
+    if (bufferSize > 2048)
+        bufferSize = 2048;
+
+    char *response = new char[bufferSize](); // Dynamically allocate based on baud rate
+    uint16_t responseLen = 0;
    unsigned long start = millis();
    while (millis() - start < timeout) {
        if (_serial_gps->available()) {
-            response += (char)_serial_gps->read();
+            char c = _serial_gps->read();

-            if (response.endsWith(",") || response.endsWith("\r\n")) {
+            // Add char to buffer if there's space
+            if (responseLen < bufferSize - 1) {
+                response[responseLen++] = c;
+                response[responseLen] = '\0';
+            }
+
+            if (c == ',' || (responseLen >= 2 && response[responseLen - 2] == '\r' && response[responseLen - 1] == '\n')) {
 #ifdef GPS_DEBUG
-                LOG_DEBUG(response.c_str());
+                LOG_DEBUG(response);
 #endif
                // check if we can see our chips
                for (const auto &chipInfo : responseMap) {
-                    if (strstr(response.c_str(), chipInfo.detectionString.c_str()) != nullptr) {
+                    if (strstr(response, chipInfo.detectionString.c_str()) != nullptr) {
                        LOG_INFO("%s detected", chipInfo.chipName.c_str());
+                        delete[] response; // Cleanup before return
                        return chipInfo.driver;
                    }
                }
            }
-            if (response.endsWith("\r\n")) {
-                response.trim();
-                response = ""; // Reset the response string for the next potential message
+            if (responseLen >= 2 && response[responseLen - 2] == '\r' && response[responseLen - 1] == '\n') {
+                // Reset the response buffer for the next potential message
+                responseLen = 0;
+                response[0] = '\0';
            }
        }
    }
 #ifdef GPS_DEBUG
-    LOG_DEBUG(response.c_str());
+    LOG_DEBUG(response);
 #endif
-    return GNSS_MODEL_UNKNOWN; // Return empty string on timeout
+    delete[] response;         // Cleanup before return
+    return GNSS_MODEL_UNKNOWN; // Return unknown on timeout
 }

 GPS *GPS::createGps()
@@ -1532,10 +1550,9 @@ The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of s
        t.tm_year = d.year() - 1900;
        t.tm_isdst = false;
        if (t.tm_mon > -1) {
-            LOG_DEBUG("NMEA GPS time %02d-%02d-%02d %02d:%02d:%02d age %d", d.year(), d.month(), t.tm_mday, t.tm_hour, t.tm_min,
-                      t.tm_sec, ti.age());
            if (perhapsSetRTC(RTCQualityGPS, t) == RTCSetResultSuccess) {
-                LOG_DEBUG("Time set.");
+                LOG_DEBUG("NMEA GPS time set %02d-%02d-%02d %02d:%02d:%02d age %d", d.year(), d.month(), t.tm_mday, t.tm_hour,
+                          t.tm_min, t.tm_sec, ti.age());
                return true;
            } else {
                return false;
--- a/src/gps/GPS.h
+++ b/src/gps/GPS.h
@@ -236,7 +236,7 @@ class GPS : private concurrency::OSThread

    virtual int32_t runOnce() override;

-    GnssModel_t getProbeResponse(unsigned long timeout, const std::vector<ChipInfo> &responseMap);
+    GnssModel_t getProbeResponse(unsigned long timeout, const std::vector<ChipInfo> &responseMap, int serialSpeed);

    // Get GNSS model
    GnssModel_t probe(int serialSpeed);
--- a/src/gps/RTC.cpp
+++ b/src/gps/RTC.cpp
@@ -9,6 +9,9 @@
 static RTCQuality currentQuality = RTCQualityNone;
 uint32_t lastSetFromPhoneNtpOrGps = 0;

+static uint32_t lastTimeValidationWarning = 0;
+static const uint32_t TIME_VALIDATION_WARNING_INTERVAL_MS = 15000; // 15 seconds
+
 RTCQuality getRTCQuality()
 {
    return currentQuality;
@@ -48,7 +51,9 @@ RTCSetResult readFromRTC()

 #ifdef BUILD_EPOCH
        if (tv.tv_sec < BUILD_EPOCH) {
+            if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
                LOG_WARN("Ignore time (%ld) before build epoch (%ld)!", printableEpoch, BUILD_EPOCH);
+            }
            return RTCSetResultInvalidTime;
        }
 #endif
@@ -87,7 +92,10 @@ RTCSetResult readFromRTC()

 #ifdef BUILD_EPOCH
        if (tv.tv_sec < BUILD_EPOCH) {
+            if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
                LOG_WARN("Ignore time (%ld) before build epoch (%ld)!", printableEpoch, BUILD_EPOCH);
+                lastTimeValidationWarning = millis();
+            }
            return RTCSetResultInvalidTime;
        }
 #endif
@@ -130,11 +138,20 @@ RTCSetResult perhapsSetRTC(RTCQuality q, const struct timeval *tv, bool forceUpd
    uint32_t printableEpoch = tv->tv_sec; // Print lib only supports 32 bit but time_t can be 64 bit on some platforms
 #ifdef BUILD_EPOCH
    if (tv->tv_sec < BUILD_EPOCH) {
+        if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
            LOG_WARN("Ignore time (%ld) before build epoch (%ld)!", printableEpoch, BUILD_EPOCH);
+            lastTimeValidationWarning = millis();
+        }
        return RTCSetResultInvalidTime;
-    } else if (tv->tv_sec > (BUILD_EPOCH + FORTY_YEARS)) {
-        LOG_WARN("Ignore time (%ld) too far in the future (build epoch: %ld, max allowed: %ld)!", printableEpoch, BUILD_EPOCH,
-                 BUILD_EPOCH + FORTY_YEARS);
+    } else if ((uint64_t)tv->tv_sec > ((uint64_t)BUILD_EPOCH + FORTY_YEARS)) {
+        if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
+            // Calculate max allowed time safely to avoid overflow in logging
+            uint64_t maxAllowedTime = (uint64_t)BUILD_EPOCH + FORTY_YEARS;
+            uint32_t maxAllowedPrintable = (maxAllowedTime > UINT32_MAX) ? UINT32_MAX : (uint32_t)maxAllowedTime;
+            LOG_WARN("Ignore time (%ld) too far in the future (build epoch: %ld, max allowed: %ld)!", printableEpoch,
+                     (uint32_t)BUILD_EPOCH, maxAllowedPrintable);
+            lastTimeValidationWarning = millis();
+        }
        return RTCSetResultInvalidTime;
    }
 #endif
@@ -252,11 +269,20 @@ RTCSetResult perhapsSetRTC(RTCQuality q, struct tm &t)
    uint32_t printableEpoch = tv.tv_sec; // Print lib only supports 32 bit but time_t can be 64 bit on some platforms
 #ifdef BUILD_EPOCH
    if (tv.tv_sec < BUILD_EPOCH) {
+        if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
            LOG_WARN("Ignore time (%ld) before build epoch (%ld)!", printableEpoch, BUILD_EPOCH);
+            lastTimeValidationWarning = millis();
+        }
        return RTCSetResultInvalidTime;
-    } else if (tv.tv_sec > (BUILD_EPOCH + FORTY_YEARS)) {
-        LOG_WARN("Ignore time (%ld) too far in the future (build epoch: %ld, max allowed: %ld)!", printableEpoch, BUILD_EPOCH,
-                 BUILD_EPOCH + FORTY_YEARS);
+    } else if ((uint64_t)tv.tv_sec > ((uint64_t)BUILD_EPOCH + FORTY_YEARS)) {
+        if (Throttle::isWithinTimespanMs(lastTimeValidationWarning, TIME_VALIDATION_WARNING_INTERVAL_MS) == false) {
+            // Calculate max allowed time safely to avoid overflow in logging
+            uint64_t maxAllowedTime = (uint64_t)BUILD_EPOCH + FORTY_YEARS;
+            uint32_t maxAllowedPrintable = (maxAllowedTime > UINT32_MAX) ? UINT32_MAX : (uint32_t)maxAllowedTime;
+            LOG_WARN("Ignore time (%ld) too far in the future (build epoch: %ld, max allowed: %ld)!", printableEpoch,
+                     (uint32_t)BUILD_EPOCH, maxAllowedPrintable);
+            lastTimeValidationWarning = millis();
+        }
        return RTCSetResultInvalidTime;
    }
 #endif
@@ -316,14 +342,40 @@ uint32_t getValidTime(RTCQuality minQuality, bool local)
 time_t gm_mktime(struct tm *tm)
 {
 #if !MESHTASTIC_EXCLUDE_TZ
-    setenv("TZ", "GMT0", 1);
-    time_t res = mktime(tm);
-    if (*config.device.tzdef) {
-        setenv("TZ", config.device.tzdef, 1);
-    } else {
-        setenv("TZ", "UTC0", 1);
+    time_t result = 0;
+
+    // First, get us to the start of tm->year, by calcuating the number of days since the Unix epoch.
+    int year = 1900 + tm->tm_year; // tm_year is years since 1900
+    int year_minus_one = year - 1;
+    int days_before_this_year = 0;
+    days_before_this_year += year_minus_one * 365;
+    // leap days: every 4 years, except 100s, but including 400s.
+    days_before_this_year += year_minus_one / 4 - year_minus_one / 100 + year_minus_one / 400;
+    // subtract from 1970-01-01 to get days since epoch
+    days_before_this_year -= 719162; // (1969 * 365 + 1969 / 4 - 1969 / 100 + 1969 / 400);
+
+    // Now, within this tm->year, compute the days *before* this tm->month starts.
+    int days_before_month[12] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}; // non-leap year
+    int days_this_year_before_this_month = days_before_month[tm->tm_mon];                // tm->tm_mon is 0..11
+
+    // If this is a leap year, and we're past February, add a day:
+    if (tm->tm_mon >= 2 && (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0)) {
+        days_this_year_before_this_month += 1;
    }
-    return res;
+
+    // And within this month:
+    int days_this_month_before_today = tm->tm_mday - 1; // tm->tm_mday is 1..31
+
+    // Now combine them all together, and convert days to seconds:
+    result += (days_before_this_year + days_this_year_before_this_month + days_this_month_before_today);
+    result *= 86400L;
+
+    // Finally, add in the hours, minutes, and seconds of today:
+    result += tm->tm_hour * 3600;
+    result += tm->tm_min * 60;
+    result += tm->tm_sec;
+
+    return result;
 #else
    return mktime(tm);
 #endif
--- a/src/gps/RTC.h
+++ b/src/gps/RTC.h
@@ -56,5 +56,5 @@ time_t gm_mktime(struct tm *tm);
 #define SEC_PER_HOUR 3600
 #define SEC_PER_MIN 60
 #ifdef BUILD_EPOCH
-#define FORTY_YEARS (40UL * 365 * SEC_PER_DAY) // probably time to update your firmware
+static constexpr uint64_t FORTY_YEARS = (40ULL * 365 * SEC_PER_DAY); // Use 64-bit arithmetic to prevent overflow
 #endif
--- a/src/graphics/Screen.cpp
+++ b/src/graphics/Screen.cpp
@@ -317,6 +317,14 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
 #elif defined(USE_SSD1306)
    dispdev = new SSD1306Wire(address.address, -1, -1, geometry,
                              (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
+#elif defined(USE_SPISSD1306)
+    dispdev = new SSD1306Spi(SSD1306_RESET, SSD1306_RS, SSD1306_NSS, GEOMETRY_64_48);
+    if (!dispdev->init()) {
+        LOG_DEBUG("Error: SSD1306 not detected!");
+    } else {
+        static_cast<SSD1306Spi *>(dispdev)->setHorizontalOffset(32);
+        LOG_INFO("SSD1306 init success");
+    }
 #elif defined(ST7735_CS) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7789_CS) ||    \
    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS)
    dispdev = new TFTDisplay(address.address, -1, -1, geometry,
@@ -507,7 +515,7 @@ void Screen::setup()
    // === Apply loaded brightness ===
 #if defined(ST7789_CS)
    static_cast<TFTDisplay *>(dispdev)->setDisplayBrightness(brightness);
-#elif defined(USE_OLED) || defined(USE_SSD1306) || defined(USE_SH1106) || defined(USE_SH1107)
+#elif defined(USE_OLED) || defined(USE_SSD1306) || defined(USE_SH1106) || defined(USE_SH1107) || defined(USE_SPISSD1306)
    dispdev->setBrightness(brightness);
 #endif
    LOG_INFO("Applied screen brightness: %d", brightness);
@@ -554,7 +562,7 @@ void Screen::setup()
        static_cast<TFTDisplay *>(dispdev)->flipScreenVertically();
 #elif defined(USE_ST7789)
        static_cast<ST7789Spi *>(dispdev)->flipScreenVertically();
-#else
+#elif !defined(M5STACK_UNITC6L)
        dispdev->flipScreenVertically();
 #endif
    }
@@ -692,7 +700,11 @@ int32_t Screen::runOnce()

 #ifndef DISABLE_WELCOME_UNSET
    if (!NotificationRenderer::isOverlayBannerShowing() && config.lora.region == meshtastic_Config_LoRaConfig_RegionCode_UNSET) {
+#if defined(M5STACK_UNITC6L)
+        menuHandler::LoraRegionPicker();
+#else
        menuHandler::OnboardMessage();
+#endif
    }
 #endif
    if (!NotificationRenderer::isOverlayBannerShowing() && rebootAtMsec != 0) {
@@ -890,8 +902,12 @@ void Screen::setFrames(FrameFocus focus)

 #if defined(DISPLAY_CLOCK_FRAME)
    fsi.positions.clock = numframes;
+#if defined(M5STACK_UNITC6L)
+    normalFrames[numframes++] = graphics::ClockRenderer::drawAnalogClockFrame;
+#else
    normalFrames[numframes++] = uiconfig.is_clockface_analog ? graphics::ClockRenderer::drawAnalogClockFrame
                                                             : graphics::ClockRenderer::drawDigitalClockFrame;
+#endif
    indicatorIcons.push_back(digital_icon_clock);
 #endif

@@ -1226,6 +1242,10 @@ void Screen::handleShowNextFrame()

 void Screen::setFastFramerate()
 {
+#if defined(M5STACK_UNITC6L)
+    dispdev->clear();
+    dispdev->display();
+#endif
    // We are about to start a transition so speed up fps
    targetFramerate = SCREEN_TRANSITION_FRAMERATE;

@@ -1297,13 +1317,23 @@ int Screen::handleTextMessage(const meshtastic_MeshPacket *packet)
                }
            } else {
                if (longName && longName[0]) {
+#if defined(M5STACK_UNITC6L)
+                    strcpy(banner, "New Message");
+#else
                    snprintf(banner, sizeof(banner), "New Message from\n%s", longName);
+#endif
+
                } else {
                    strcpy(banner, "New Message");
                }
            }
-
+#if defined(M5STACK_UNITC6L)
+            screen->setOn(true);
+            screen->showSimpleBanner(banner, 1500);
+            playLongBeep();
+#else
            screen->showSimpleBanner(banner, 3000);
+#endif
        }
    }

@@ -1386,7 +1416,11 @@ int Screen::handleInputEvent(const InputEvent *event)
                    if (devicestate.rx_text_message.from) {
                        menuHandler::messageResponseMenu();
                    } else {
+#if defined(M5STACK_UNITC6L)
+                        menuHandler::textMessageMenu();
+#else
                        menuHandler::textMessageBaseMenu();
+#endif
                    }
                } else if (framesetInfo.positions.firstFavorite != 255 &&
                           this->ui->getUiState()->currentFrame >= framesetInfo.positions.firstFavorite &&
--- a/src/graphics/Screen.h
+++ b/src/graphics/Screen.h
@@ -81,6 +81,8 @@ class Screen
 #include <SSD1306Wire.h>
 #elif defined(USE_ST7789)
 #include <ST7789Spi.h>
+#elif defined(USE_SPISSD1306)
+#include <SSD1306Spi.h>
 #else
 // the SH1106/SSD1306 variant is auto-detected
 #include <AutoOLEDWire.h>
--- a/src/graphics/ScreenFonts.h
+++ b/src/graphics/ScreenFonts.h
@@ -79,6 +79,10 @@
 #define FONT_SMALL FONT_MEDIUM_LOCAL // Height: 19
 #define FONT_MEDIUM FONT_LARGE_LOCAL // Height: 28
 #define FONT_LARGE FONT_LARGE_LOCAL  // Height: 28
+#elif defined(M5STACK_UNITC6L)
+#define FONT_SMALL FONT_SMALL_LOCAL  // Height: 13
+#define FONT_MEDIUM FONT_SMALL_LOCAL // Height: 13
+#define FONT_LARGE FONT_SMALL_LOCAL  // Height: 13
 #else
 #define FONT_SMALL FONT_SMALL_LOCAL   // Height: 13
 #define FONT_MEDIUM FONT_MEDIUM_LOCAL // Height: 19
--- a/src/graphics/SharedUIDisplay.cpp
+++ b/src/graphics/SharedUIDisplay.cpp
@@ -124,7 +124,7 @@ void drawCommonHeader(OLEDDisplay *display, int16_t x, int16_t y, const char *ti

    int batteryX = 1;
    int batteryY = HEADER_OFFSET_Y + 1;
-
+#if !defined(M5STACK_UNITC6L)
    // === Battery Icons ===
    if (usbPowered && !isCharging) { // This is a basic check to determine USB Powered is flagged but not charging
        batteryX += 1;
@@ -337,7 +337,7 @@ void drawCommonHeader(OLEDDisplay *display, int16_t x, int16_t y, const char *ti
            }
        }
    }
-
+#endif
    display->setColor(WHITE); // Reset for other UI
 }

--- a/src/graphics/TFTDisplay.cpp
+++ b/src/graphics/TFTDisplay.cpp
@@ -1128,6 +1128,15 @@ TFTDisplay::TFTDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY g
 #endif
 }

+TFTDisplay::~TFTDisplay()
+{
+    // Clean up allocated line pixel buffer to prevent memory leak
+    if (linePixelBuffer != nullptr) {
+        free(linePixelBuffer);
+        linePixelBuffer = nullptr;
+    }
+}
+
 // Write the buffer to the display memory
 void TFTDisplay::display(bool fromBlank)
 {
--- a/src/graphics/TFTDisplay.h
+++ b/src/graphics/TFTDisplay.h
@@ -20,6 +20,9 @@ class TFTDisplay : public OLEDDisplay
    */
    TFTDisplay(uint8_t, int, int, OLEDDISPLAY_GEOMETRY, HW_I2C);

+    // Destructor to clean up allocated memory
+    ~TFTDisplay();
+
    // Write the buffer to the display memory
    virtual void display() override { display(false); };
    virtual void display(bool fromBlank);
--- a/src/graphics/draw/DebugRenderer.cpp
+++ b/src/graphics/draw/DebugRenderer.cpp
@@ -277,12 +277,13 @@ void drawFrameSettings(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
    std::string uptime = UIRenderer::drawTimeDelta(days, hours, minutes, seconds);

    // Line 1 (Still)
+#if !defined(M5STACK_UNITC6L)
    display->drawString(x + SCREEN_WIDTH - display->getStringWidth(uptime.c_str()), y, uptime.c_str());
    if (config.display.heading_bold)
        display->drawString(x - 1 + SCREEN_WIDTH - display->getStringWidth(uptime.c_str()), y, uptime.c_str());

    display->setColor(WHITE);
-
+#endif
    // Setup string to assemble analogClock string
    std::string analogClock = "";

@@ -386,17 +387,24 @@ void drawLoRaFocused(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
    char shortnameble[35];
    getMacAddr(dmac);
    snprintf(screen->ourId, sizeof(screen->ourId), "%02x%02x", dmac[4], dmac[5]);
+#if defined(M5STACK_UNITC6L)
+    snprintf(shortnameble, sizeof(shortnameble), "%s", screen->ourId);
+#else
    snprintf(shortnameble, sizeof(shortnameble), "BLE: %s", screen->ourId);
+#endif
    int textWidth = display->getStringWidth(shortnameble);
    int nameX = (SCREEN_WIDTH - textWidth);
    display->drawString(nameX, getTextPositions(display)[line++], shortnameble);
-
    // === Second Row: Radio Preset ===
    auto mode = DisplayFormatters::getModemPresetDisplayName(config.lora.modem_preset, false, config.lora.use_preset);
    char regionradiopreset[25];
    const char *region = myRegion ? myRegion->name : NULL;
    if (region != nullptr) {
+#if defined(M5STACK_UNITC6L)
+        snprintf(regionradiopreset, sizeof(regionradiopreset), "%s", region);
+#else
        snprintf(regionradiopreset, sizeof(regionradiopreset), "%s/%s", region, mode);
+#endif
    }
    textWidth = display->getStringWidth(regionradiopreset);
    nameX = (SCREEN_WIDTH - textWidth) / 2;
@@ -408,9 +416,17 @@ void drawLoRaFocused(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
    float freq = RadioLibInterface::instance->getFreq();
    snprintf(freqStr, sizeof(freqStr), "%.3f", freq);
    if (config.lora.channel_num == 0) {
+#if defined(M5STACK_UNITC6L)
+        snprintf(frequencyslot, sizeof(frequencyslot), "%sMHz", freqStr);
+#else
        snprintf(frequencyslot, sizeof(frequencyslot), "Freq: %sMHz", freqStr);
+#endif
    } else {
+#if defined(M5STACK_UNITC6L)
+        snprintf(frequencyslot, sizeof(frequencyslot), "%sMHz (%d)", freqStr, config.lora.channel_num);
+#else
        snprintf(frequencyslot, sizeof(frequencyslot), "Freq/Ch: %sMHz (%d)", freqStr, config.lora.channel_num);
+#endif
    }
    size_t len = strlen(frequencyslot);
    if (len >= 4 && strcmp(frequencyslot + len - 4, " (0)") == 0) {
@@ -420,6 +436,7 @@ void drawLoRaFocused(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
    nameX = (SCREEN_WIDTH - textWidth) / 2;
    display->drawString(nameX, getTextPositions(display)[line++], frequencyslot);

+#if !defined(M5STACK_UNITC6L)
    // === Fourth Row: Channel Utilization ===
    const char *chUtil = "ChUtil:";
    char chUtilPercentage[10];
@@ -476,6 +493,7 @@ void drawLoRaFocused(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,

    display->drawString(starting_position + chUtil_x + chutil_bar_width + extraoffset, getTextPositions(display)[4],
                        chUtilPercentage);
+#endif
 }

 // ****************************
@@ -501,8 +519,11 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
 #ifdef USE_EINK
    barsOffset -= 12;
 #endif
+#if defined(M5STACK_UNITC6L)
+    const int barX = x + 45 + barsOffset;
+#else
    const int barX = x + 40 + barsOffset;
-
+#endif
    auto drawUsageRow = [&](const char *label, uint32_t used, uint32_t total, bool isHeap = false) {
        if (total == 0)
            return;
@@ -527,7 +548,7 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
        // Label
        display->setTextAlignment(TEXT_ALIGN_LEFT);
        display->drawString(labelX, getTextPositions(display)[line], label);
-
+#if !defined(M5STACK_UNITC6L)
        // Bar
        int barY = getTextPositions(display)[line] + (FONT_HEIGHT_SMALL - barHeight) / 2;
        display->setColor(WHITE);
@@ -535,7 +556,7 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,

        display->fillRect(barX, barY, fillWidth, barHeight);
        display->setColor(WHITE);
-
+#endif
        // Value string
        display->setTextAlignment(TEXT_ALIGN_RIGHT);
        display->drawString(SCREEN_WIDTH - 2, getTextPositions(display)[line], combinedStr);
@@ -588,10 +609,16 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
        line += 1;
    }
    line += 1;
+
    char appversionstr[35];
    snprintf(appversionstr, sizeof(appversionstr), "Ver: %s", optstr(APP_VERSION));
    char appversionstr_formatted[40];
    char *lastDot = strrchr(appversionstr, '.');
+#if defined(M5STACK_UNITC6L)
+    if (lastDot != nullptr) {
+        *lastDot = '\0'; // truncate string
+    }
+#else
    if (lastDot) {
        size_t prefixLen = lastDot - appversionstr;
        strncpy(appversionstr_formatted, appversionstr, prefixLen);
@@ -602,10 +629,12 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
        strncpy(appversionstr, appversionstr_formatted, sizeof(appversionstr) - 1);
        appversionstr[sizeof(appversionstr) - 1] = '\0';
    }
+#endif
    int textWidth = display->getStringWidth(appversionstr);
    int nameX = (SCREEN_WIDTH - textWidth) / 2;
-    display->drawString(nameX, getTextPositions(display)[line], appversionstr);

+    display->drawString(nameX, getTextPositions(display)[line], appversionstr);
+#if !defined(M5STACK_UNITC6L)
    if (SCREEN_HEIGHT > 64 || (SCREEN_HEIGHT <= 64 && line < 4)) { // Only show uptime if the screen can show it
        line += 1;
        char uptimeStr[32] = "";
@@ -624,6 +653,7 @@ void drawMemoryUsage(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x,
        nameX = (SCREEN_WIDTH - textWidth) / 2;
        display->drawString(nameX, getTextPositions(display)[line], uptimeStr);
    }
+#endif
 }
 } // namespace DebugRenderer
 } // namespace graphics
--- a/src/graphics/draw/MenuHandler.cpp
+++ b/src/graphics/draw/MenuHandler.cpp
@@ -79,7 +79,11 @@ void menuHandler::LoraRegionPicker(uint32_t duration)
                                         "NP_865",
                                         "BR_902"};
    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "LoRa Region";
+#else
    bannerOptions.message = "Set the LoRa region";
+#endif
    bannerOptions.durationMs = duration;
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = 27;
@@ -260,7 +264,11 @@ void menuHandler::TZPicker()

 void menuHandler::clockMenu()
 {
+#if defined(M5STACK_UNITC6L)
+    static const char *optionsArray[] = {"Back", "Time Format", "Timezone"};
+#else
    static const char *optionsArray[] = {"Back", "Clock Face", "Time Format", "Timezone"};
+#endif
    enum optionsNumbers { Back = 0, Clock = 1, Time = 2, Timezone = 3 };
    BannerOverlayOptions bannerOptions;
    bannerOptions.message = "Clock Action";
@@ -284,8 +292,11 @@ void menuHandler::clockMenu()
 void menuHandler::messageResponseMenu()
 {
    enum optionsNumbers { Back = 0, Dismiss = 1, Preset = 2, Freetext = 3, Aloud = 4, enumEnd = 5 };
-
+#if defined(M5STACK_UNITC6L)
+    static const char *optionsArray[enumEnd] = {"Back", "Dismiss", "Reply Preset"};
+#else
    static const char *optionsArray[enumEnd] = {"Back", "Dismiss", "Reply via Preset"};
+#endif
    static int optionsEnumArray[enumEnd] = {Back, Dismiss, Preset};
    int options = 3;

@@ -299,7 +310,11 @@ void menuHandler::messageResponseMenu()
    optionsEnumArray[options++] = Aloud;
 #endif
    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Message";
+#else
    bannerOptions.message = "Message Action";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsEnumPtr = optionsEnumArray;
    bannerOptions.optionsCount = options;
@@ -349,7 +364,11 @@ void menuHandler::homeBaseMenu()

    optionsArray[options] = "Send Position";
    optionsEnumArray[options++] = Position;
+#if defined(M5STACK_UNITC6L)
+    optionsArray[options] = "New Preset";
+#else
    optionsArray[options] = "New Preset Msg";
+#endif
    optionsEnumArray[options++] = Preset;
    if (kb_found) {
        optionsArray[options] = "New Freetext Msg";
@@ -357,7 +376,11 @@ void menuHandler::homeBaseMenu()
    }

    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Home";
+#else
    bannerOptions.message = "Home Action";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsEnumPtr = optionsEnumArray;
    bannerOptions.optionsCount = options;
@@ -396,6 +419,11 @@ void menuHandler::homeBaseMenu()
    screen->showOverlayBanner(bannerOptions);
 }

+void menuHandler::textMessageMenu()
+{
+    cannedMessageModule->LaunchWithDestination(NODENUM_BROADCAST);
+}
+
 void menuHandler::textMessageBaseMenu()
 {
    enum optionsNumbers { Back, Preset, Freetext, enumEnd };
@@ -439,11 +467,17 @@ void menuHandler::systemBaseMenu()
    optionsArray[options] = "Screen Options";
    optionsEnumArray[options++] = ScreenOptions;
 #endif
-
+#if defined(M5STACK_UNITC6L)
+    optionsArray[options] = "Bluetooth";
+#else
    optionsArray[options] = "Bluetooth Toggle";
+#endif
    optionsEnumArray[options++] = Bluetooth;
-
+#if defined(M5STACK_UNITC6L)
+    optionsArray[options] = "Power";
+#else
    optionsArray[options] = "Reboot/Shutdown";
+#endif
    optionsEnumArray[options++] = PowerMenu;

    if (test_enabled) {
@@ -452,7 +486,11 @@ void menuHandler::systemBaseMenu()
    }

    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "System";
+#else
    bannerOptions.message = "System Action";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = options;
    bannerOptions.optionsEnumPtr = optionsEnumArray;
@@ -485,7 +523,11 @@ void menuHandler::systemBaseMenu()
 void menuHandler::favoriteBaseMenu()
 {
    enum optionsNumbers { Back, Preset, Freetext, Remove, TraceRoute, enumEnd };
+#if defined(M5STACK_UNITC6L)
+    static const char *optionsArray[enumEnd] = {"Back", "New Preset"};
+#else
    static const char *optionsArray[enumEnd] = {"Back", "New Preset Msg"};
+#endif
    static int optionsEnumArray[enumEnd] = {Back, Preset};
    int options = 2;

@@ -493,13 +535,19 @@ void menuHandler::favoriteBaseMenu()
        optionsArray[options] = "New Freetext Msg";
        optionsEnumArray[options++] = Freetext;
    }
+#if !defined(M5STACK_UNITC6L)
    optionsArray[options] = "Trace Route";
    optionsEnumArray[options++] = TraceRoute;
+#endif
    optionsArray[options] = "Remove Favorite";
    optionsEnumArray[options++] = Remove;

    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Favorites";
+#else
    bannerOptions.message = "Favorites Action";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsEnumPtr = optionsEnumArray;
    bannerOptions.optionsCount = options;
@@ -528,10 +576,12 @@ void menuHandler::positionBaseMenu()
    static int optionsEnumArray[enumEnd] = {Back, GPSToggle, CompassMenu};
    int options = 3;

+#if !MESHTASTIC_EXCLUDE_I2C
    if (accelerometerThread) {
        optionsArray[options] = "Compass Calibrate";
        optionsEnumArray[options++] = CompassCalibrate;
    }
+#endif
    BannerOverlayOptions bannerOptions;
    bannerOptions.message = "Position Action";
    bannerOptions.optionsArrayPtr = optionsArray;
@@ -544,8 +594,10 @@ void menuHandler::positionBaseMenu()
        } else if (selected == CompassMenu) {
            menuQueue = compass_point_north_menu;
            screen->runNow();
+#if !MESHTASTIC_EXCLUDE_I2C
        } else if (selected == CompassCalibrate) {
            accelerometerThread->calibrate(30);
+#endif
        }
    };
    screen->showOverlayBanner(bannerOptions);
@@ -554,11 +606,19 @@ void menuHandler::positionBaseMenu()
 void menuHandler::nodeListMenu()
 {
    enum optionsNumbers { Back, Favorite, TraceRoute, Verify, Reset, enumEnd };
+#if defined(M5STACK_UNITC6L)
+    static const char *optionsArray[] = {"Back", "Add Favorite", "Reset Node"};
+#else
    static const char *optionsArray[] = {"Back", "Add Favorite", "Trace Route", "Key Verification", "Reset NodeDB"};
+#endif
    BannerOverlayOptions bannerOptions;
    bannerOptions.message = "Node Action";
    bannerOptions.optionsArrayPtr = optionsArray;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.optionsCount = 3;
+#else
    bannerOptions.optionsCount = 5;
+#endif
    bannerOptions.bannerCallback = [](int selected) -> void {
        if (selected == Favorite) {
            menuQueue = add_favorite;
@@ -665,7 +725,11 @@ void menuHandler::BluetoothToggleMenu()
 {
    static const char *optionsArray[] = {"Back", "Enabled", "Disabled"};
    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Bluetooth";
+#else
    bannerOptions.message = "Toggle Bluetooth";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = 3;
    bannerOptions.bannerCallback = [](int selected) -> void {
@@ -857,7 +921,11 @@ void menuHandler::rebootMenu()
 {
    static const char *optionsArray[] = {"Back", "Confirm"};
    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Reboot";
+#else
    bannerOptions.message = "Reboot Device?";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = 2;
    bannerOptions.bannerCallback = [](int selected) -> void {
@@ -877,7 +945,11 @@ void menuHandler::shutdownMenu()
 {
    static const char *optionsArray[] = {"Back", "Confirm"};
    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Shutdown";
+#else
    bannerOptions.message = "Shutdown Device?";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = 2;
    bannerOptions.bannerCallback = [](int selected) -> void {
@@ -894,7 +966,12 @@ void menuHandler::shutdownMenu()

 void menuHandler::addFavoriteMenu()
 {
+#if defined(M5STACK_UNITC6L)
+    screen->showNodePicker("Node Favorite", 30000, [](uint32_t nodenum) -> void {
+#else
    screen->showNodePicker("Node To Favorite", 30000, [](uint32_t nodenum) -> void {
+
+#endif
        LOG_WARN("Nodenum: %u", nodenum);
        nodeDB->set_favorite(true, nodenum);
        screen->setFrames(graphics::Screen::FOCUS_PRESERVE);
@@ -1090,7 +1167,11 @@ void menuHandler::powerMenu()
 #endif

    BannerOverlayOptions bannerOptions;
+#if defined(M5STACK_UNITC6L)
+    bannerOptions.message = "Power";
+#else
    bannerOptions.message = "Reboot / Shutdown";
+#endif
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = options;
    bannerOptions.optionsEnumPtr = optionsEnumArray;
--- a/src/graphics/draw/MenuHandler.h
+++ b/src/graphics/draw/MenuHandler.h
@@ -76,6 +76,7 @@ class menuHandler
    static void notificationsMenu();
    static void screenOptionsMenu();
    static void powerMenu();
+    static void textMessageMenu();

  private:
    static void saveUIConfig();
--- a/src/graphics/draw/MessageRenderer.cpp
+++ b/src/graphics/draw/MessageRenderer.cpp
@@ -181,12 +181,19 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
    display->clear();
    display->setTextAlignment(TEXT_ALIGN_LEFT);
    display->setFont(FONT_SMALL);
-
+#if defined(M5STACK_UNITC6L)
+    const int fixedTopHeight = 24;
+    const int windowX = 0;
+    const int windowY = fixedTopHeight;
+    const int windowWidth = 64;
+    const int windowHeight = SCREEN_HEIGHT - fixedTopHeight;
+#else
    const int navHeight = FONT_HEIGHT_SMALL;
    const int scrollBottom = SCREEN_HEIGHT - navHeight;
    const int usableHeight = scrollBottom;
    const int textWidth = SCREEN_WIDTH;

+#endif
    bool isInverted = (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_INVERTED);
    bool isBold = config.display.heading_bold;

@@ -201,7 +208,11 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
        graphics::drawCommonHeader(display, x, y, titleStr);
        const char *messageString = "No messages";
        int center_text = (SCREEN_WIDTH / 2) - (display->getStringWidth(messageString) / 2);
+#if defined(M5STACK_UNITC6L)
+        display->drawString(center_text, windowY + (windowHeight / 2) - (FONT_HEIGHT_SMALL / 2) - 5, messageString);
+#else
        display->drawString(center_text, getTextPositions(display)[2], messageString);
+#endif
        return;
    }

@@ -209,6 +220,10 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
    meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(getFrom(&mp));
    char headerStr[80];
    const char *sender = "???";
+#if defined(M5STACK_UNITC6L)
+    if (node && node->has_user)
+        sender = node->user.short_name;
+#else
    if (node && node->has_user) {
        if (SCREEN_WIDTH >= 200 && strlen(node->user.long_name) > 0) {
            sender = node->user.long_name;
@@ -216,6 +231,7 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
            sender = node->user.short_name;
        }
    }
+#endif
    uint32_t seconds = sinceReceived(&mp), minutes = seconds / 60, hours = minutes / 60, days = hours / 24;
    uint8_t timestampHours, timestampMinutes;
    int32_t daysAgo;
@@ -235,10 +251,61 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
                     sender);
        }
    } else {
+#if defined(M5STACK_UNITC6L)
+        snprintf(headerStr, sizeof(headerStr), "%s from %s", UIRenderer::drawTimeDelta(days, hours, minutes, seconds).c_str(),
+                 sender);
+#else
        snprintf(headerStr, sizeof(headerStr), "%s ago from %s", UIRenderer::drawTimeDelta(days, hours, minutes, seconds).c_str(),
                 sender);
+#endif
+    }
+#if defined(M5STACK_UNITC6L)
+    graphics::drawCommonHeader(display, x, y, titleStr);
+    int headerY = getTextPositions(display)[1];
+    display->drawString(x, headerY, headerStr);
+    for (int separatorX = 0; separatorX < SCREEN_WIDTH; separatorX += 2) {
+        display->setPixel(separatorX, fixedTopHeight - 1);
+    }
+    cachedLines.clear();
+    std::string fullMsg(messageBuf);
+    std::string currentLine;
+    for (size_t i = 0; i < fullMsg.size();) {
+        unsigned char c = fullMsg[i];
+        size_t charLen = 1;
+        if ((c & 0xE0) == 0xC0)
+            charLen = 2;
+        else if ((c & 0xF0) == 0xE0)
+            charLen = 3;
+        else if ((c & 0xF8) == 0xF0)
+            charLen = 4;
+        std::string nextChar = fullMsg.substr(i, charLen);
+        std::string testLine = currentLine + nextChar;
+        if (display->getStringWidth(testLine.c_str()) > windowWidth) {
+            cachedLines.push_back(currentLine);
+            currentLine = nextChar;
+        } else {
+            currentLine = testLine;
        }

+        i += charLen;
+    }
+    if (!currentLine.empty())
+        cachedLines.push_back(currentLine);
+    cachedHeights = calculateLineHeights(cachedLines, emotes);
+    int yOffset = windowY;
+    int linesDrawn = 0;
+    for (size_t i = 0; i < cachedLines.size(); ++i) {
+        if (linesDrawn >= 2)
+            break;
+        int lineHeight = cachedHeights[i];
+        if (yOffset + lineHeight > windowY + windowHeight)
+            break;
+        drawStringWithEmotes(display, windowX, yOffset, cachedLines[i], emotes, numEmotes);
+        yOffset += lineHeight;
+        linesDrawn++;
+    }
+    screen->forceDisplay();
+#else
    uint32_t now = millis();
 #ifndef EXCLUDE_EMOJI
    // === Bounce animation setup ===
@@ -355,6 +422,7 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16

    // Draw header at the end to sort out overlapping elements
    graphics::drawCommonHeader(display, x, y, titleStr);
+#endif
 }

 std::vector<std::string> generateLines(OLEDDisplay *display, const char *headerStr, const char *messageBuf, int textWidth)
--- a/src/graphics/draw/NodeListRenderer.cpp
+++ b/src/graphics/draw/NodeListRenderer.cpp
@@ -21,6 +21,10 @@ extern bool haveGlyphs(const char *str);
 // Global screen instance
 extern graphics::Screen *screen;

+#if defined(M5STACK_UNITC6L)
+static uint32_t lastSwitchTime = 0;
+#else
+#endif
 namespace graphics
 {
 namespace NodeListRenderer
@@ -393,9 +397,11 @@ void drawNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
 {
    const int COMMON_HEADER_HEIGHT = FONT_HEIGHT_SMALL - 1;
    const int rowYOffset = FONT_HEIGHT_SMALL - 3;
-
+#if defined(M5STACK_UNITC6L)
+    int columnWidth = display->getWidth();
+#else
    int columnWidth = display->getWidth() / 2;
-
+#endif
    display->clear();

    // Draw the battery/time header
@@ -408,8 +414,11 @@ void drawNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
    int totalRowsAvailable = (display->getHeight() - y) / rowYOffset;

    int visibleNodeRows = totalRowsAvailable;
+#if defined(M5STACK_UNITC6L)
+    int totalColumns = 1;
+#else
    int totalColumns = 2;
-
+#endif
    int startIndex = scrollIndex * visibleNodeRows * totalColumns;
    if (nodeDB->getMeshNodeByIndex(startIndex)->num == nodeDB->getNodeNum()) {
        startIndex++; // skip own node
@@ -445,12 +454,14 @@ void drawNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t
        }
    }

+#if !defined(M5STACK_UNITC6L)
    // Draw column separator
    if (shownCount > 0) {
        const int firstNodeY = y + 3;
        drawColumnSeparator(display, x, firstNodeY, lastNodeY);
    }

+#endif
    const int scrollStartY = y + 3;
    drawScrollbar(display, visibleNodeRows, totalEntries, scrollIndex, 2, scrollStartY);
 }
@@ -468,6 +479,13 @@ void drawDynamicNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state,

    unsigned long now = millis();

+#if defined(M5STACK_UNITC6L)
+    display->clear();
+    if (now - lastSwitchTime >= 3000) {
+        display->display();
+        lastSwitchTime = now;
+    }
+#endif
    // On very first call (on boot or state enter)
    if (lastRenderedMode == MODE_COUNT) {
        currentMode = MODE_LAST_HEARD;
@@ -522,6 +540,14 @@ void drawNodeListWithCompasses(OLEDDisplay *display, OLEDDisplayUiState *state,
    double lat = DegD(ourNode->position.latitude_i);
    double lon = DegD(ourNode->position.longitude_i);

+#if defined(M5STACK_UNITC6L)
+    display->clear();
+    uint32_t now = millis();
+    if (now - lastSwitchTime >= 2000) {
+        display->display();
+        lastSwitchTime = now;
+    }
+#endif
    if (uiconfig.compass_mode != meshtastic_CompassMode_FREEZE_HEADING) {
 #if HAS_GPS
        if (screen->hasHeading()) {
--- a/src/graphics/draw/NotificationRenderer.cpp
+++ b/src/graphics/draw/NotificationRenderer.cpp
@@ -459,6 +459,135 @@ void NotificationRenderer::drawNotificationBox(OLEDDisplay *display, OLEDDisplay
    // count lines

    uint16_t boxWidth = hPadding * 2 + maxWidth;
+#if defined(M5STACK_UNITC6L)
+    if (needs_bell) {
+        if (isHighResolution && boxWidth <= 150)
+            boxWidth += 26;
+        if (!isHighResolution && boxWidth <= 100)
+            boxWidth += 20;
+    }
+
+    uint16_t screenHeight = display->height();
+    uint8_t effectiveLineHeight = FONT_HEIGHT_SMALL - 3;
+    uint8_t visibleTotalLines = std::min<uint8_t>(lineCount, (screenHeight - vPadding * 2) / effectiveLineHeight);
+    uint16_t contentHeight = visibleTotalLines * effectiveLineHeight;
+    uint16_t boxHeight = contentHeight + vPadding * 2;
+    if (visibleTotalLines == 1)
+        boxHeight += (isHighResolution ? 4 : 3);
+
+    int16_t boxLeft = (display->width() / 2) - (boxWidth / 2);
+    if (totalLines > visibleTotalLines)
+        boxWidth += (isHighResolution ? 4 : 2);
+    int16_t boxTop = (display->height() / 2) - (boxHeight / 2);
+
+    if (visibleTotalLines == 1) {
+        boxTop += 25;
+    }
+    if (alertBannerOptions < 3) {
+        int missingLines = 3 - alertBannerOptions;
+        int moveUp = missingLines * (effectiveLineHeight / 2);
+        boxTop -= moveUp;
+        if (boxTop < 0)
+            boxTop = 0;
+    }
+
+    // === Draw Box ===
+    display->setColor(BLACK);
+    display->fillRect(boxLeft, boxTop, boxWidth, boxHeight);
+    display->setColor(WHITE);
+    display->drawRect(boxLeft, boxTop, boxWidth, boxHeight);
+    display->fillRect(boxLeft, boxTop - 2, boxWidth, 1);
+    display->fillRect(boxLeft - 2, boxTop, 1, boxHeight);
+    display->fillRect(boxLeft + boxWidth + 1, boxTop, 1, boxHeight);
+    display->setColor(BLACK);
+    display->fillRect(boxLeft, boxTop, 1, 1);
+    display->fillRect(boxLeft + boxWidth - 1, boxTop, 1, 1);
+    display->fillRect(boxLeft, boxTop + boxHeight - 1, 1, 1);
+    display->fillRect(boxLeft + boxWidth - 1, boxTop + boxHeight - 1, 1, 1);
+    display->setColor(WHITE);
+    int16_t lineY = boxTop + vPadding;
+    int swingRange = 8;
+    static int swingOffset = 0;
+    static bool swingRight = true;
+    static unsigned long lastSwingTime = 0;
+    unsigned long now = millis();
+    int swingSpeedMs = 10 / (swingRange * 2);
+    if (now - lastSwingTime >= (unsigned long)swingSpeedMs) {
+        lastSwingTime = now;
+        if (swingRight) {
+            swingOffset++;
+            if (swingOffset >= swingRange)
+                swingRight = false;
+        } else {
+            swingOffset--;
+            if (swingOffset <= 0)
+                swingRight = true;
+        }
+    }
+    for (int i = 0; i < lineCount; i++) {
+        bool isTitle = (i == 0);
+        int globalOptionIndex = (i - 1) + firstOptionToShow;
+        bool isSelectedOption = (!isTitle && globalOptionIndex >= 0 && globalOptionIndex == curSelected);
+
+        uint16_t visibleWidth = 64 - hPadding * 2;
+        if (totalLines > visibleTotalLines)
+            visibleWidth -= 6;
+        char lineBuffer[lineLengths[i] + 1];
+        strncpy(lineBuffer, lines[i], lineLengths[i]);
+        lineBuffer[lineLengths[i]] = '\0';
+
+        if (isTitle) {
+            if (visibleTotalLines == 1) {
+                display->setColor(BLACK);
+                display->fillRect(boxLeft, boxTop, boxWidth, effectiveLineHeight);
+                display->setColor(WHITE);
+                display->drawString(boxLeft + (boxWidth - lineWidths[i]) / 2, boxTop, lineBuffer);
+            } else {
+                display->setColor(WHITE);
+                display->fillRect(boxLeft, boxTop, boxWidth, effectiveLineHeight);
+                display->setColor(BLACK);
+                display->drawString(boxLeft + (boxWidth - lineWidths[i]) / 2, boxTop, lineBuffer);
+                display->setColor(WHITE);
+                if (needs_bell) {
+                    int bellY = boxTop + (FONT_HEIGHT_SMALL - 8) / 2;
+                    display->drawXbm(boxLeft + (boxWidth - lineWidths[i]) / 2 - 10, bellY, 8, 8, bell_alert);
+                    display->drawXbm(boxLeft + (boxWidth + lineWidths[i]) / 2 + 2, bellY, 8, 8, bell_alert);
+                }
+            }
+            lineY = boxTop + effectiveLineHeight + 1;
+        } else if (isSelectedOption) {
+            display->setColor(WHITE);
+            display->fillRect(boxLeft, lineY, boxWidth, effectiveLineHeight);
+            display->setColor(BLACK);
+            if (lineLengths[i] > 15 && lineWidths[i] > visibleWidth) {
+                int textX = boxLeft + hPadding + swingOffset;
+                display->drawString(textX, lineY - 1, lineBuffer);
+            } else {
+                display->drawString(boxLeft + (boxWidth - lineWidths[i]) / 2, lineY - 1, lineBuffer);
+            }
+            display->setColor(WHITE);
+            lineY += effectiveLineHeight;
+        } else {
+            display->setColor(BLACK);
+            display->fillRect(boxLeft, lineY, boxWidth, effectiveLineHeight);
+            display->setColor(WHITE);
+            display->drawString(boxLeft + (boxWidth - lineWidths[i]) / 2, lineY, lineBuffer);
+            lineY += effectiveLineHeight;
+        }
+    }
+    if (totalLines > visibleTotalLines) {
+        const uint8_t scrollBarWidth = 5;
+        int16_t scrollBarX = boxLeft + boxWidth - scrollBarWidth - 2;
+        int16_t scrollBarY = boxTop + vPadding + effectiveLineHeight;
+        uint16_t scrollBarHeight = boxHeight - vPadding * 2 - effectiveLineHeight;
+        float ratio = (float)visibleTotalLines / totalLines;
+        uint16_t indicatorHeight = std::max((int)(scrollBarHeight * ratio), 4);
+        float scrollRatio = (float)(firstOptionToShow + lineCount - visibleTotalLines) / (totalLines - visibleTotalLines);
+        uint16_t indicatorY = scrollBarY + scrollRatio * (scrollBarHeight - indicatorHeight);
+        display->drawRect(scrollBarX, scrollBarY, scrollBarWidth, scrollBarHeight);
+        display->fillRect(scrollBarX + 1, indicatorY, scrollBarWidth - 2, indicatorHeight);
+    }
+#else
    if (needs_bell) {
        if (isHighResolution && boxWidth <= 150)
            boxWidth += 26;
@@ -547,6 +676,7 @@ void NotificationRenderer::drawNotificationBox(OLEDDisplay *display, OLEDDisplay
        display->drawRect(scrollBarX, scrollBarY, scrollBarWidth, scrollBarHeight);
        display->fillRect(scrollBarX + 1, indicatorY, scrollBarWidth - 2, indicatorHeight);
    }
+#endif
 }

 /// Draw the last text message we received
--- a/src/graphics/draw/UIRenderer.cpp
+++ b/src/graphics/draw/UIRenderer.cpp
@@ -20,7 +20,7 @@

 // External variables
 extern graphics::Screen *screen;
-
+static uint32_t lastSwitchTime = 0;
 namespace graphics
 {
 NodeNum UIRenderer::currentFavoriteNodeNum = 0;
@@ -218,7 +218,6 @@ void UIRenderer::drawNodes(OLEDDisplay *display, int16_t x, int16_t y, const mes
 // **********************
 void UIRenderer::drawNodeInfo(OLEDDisplay *display, const OLEDDisplayUiState *state, int16_t x, int16_t y)
 {
-
    if (favoritedNodes.empty())
        return;

@@ -230,8 +229,15 @@ void UIRenderer::drawNodeInfo(OLEDDisplay *display, const OLEDDisplayUiState *st
    meshtastic_NodeInfoLite *node = favoritedNodes[nodeIndex];
    if (!node || node->num == nodeDB->getNodeNum() || !node->is_favorite)
        return;
-
+    uint32_t now = millis();
    display->clear();
+#if defined(M5STACK_UNITC6L)
+    if (now - lastSwitchTime >= 10000) // 10000 ms = 10 秒
+    {
+        display->display();
+        lastSwitchTime = now;
+    }
+#endif
    currentFavoriteNodeNum = node->num;
    // === Create the shortName and title string ===
    const char *shortName = (node->has_user && haveGlyphs(node->user.short_name)) ? node->user.short_name : "Node";
@@ -250,9 +256,13 @@ void UIRenderer::drawNodeInfo(OLEDDisplay *display, const OLEDDisplayUiState *st
    // List of available macro Y positions in order, from top to bottom.
    int line = 1; // which slot to use next
    std::string usernameStr;
-
    // === 1. Long Name (always try to show first) ===
+#if defined(M5STACK_UNITC6L)
+    const char *username = (node->has_user && node->user.long_name[0]) ? node->user.short_name : nullptr;
+#else
    const char *username = (node->has_user && node->user.long_name[0]) ? node->user.long_name : nullptr;
+#endif
+
    if (username) {
        usernameStr = sanitizeString(username); // Sanitize the incoming long_name just in case
        // Print node's long name (e.g. "Backpack Node")
@@ -307,7 +317,7 @@ void UIRenderer::drawNodeInfo(OLEDDisplay *display, const OLEDDisplayUiState *st
    if (seenStr[0] && line < 5) {
        display->drawString(x, getTextPositions(display)[line++], seenStr);
    }
-
+#if !defined(M5STACK_UNITC6L)
    // === 4. Uptime (only show if metric is present) ===
    char uptimeStr[32] = "";
    if (node->has_device_metrics && node->device_metrics.has_uptime_seconds) {
@@ -479,6 +489,7 @@ void UIRenderer::drawNodeInfo(OLEDDisplay *display, const OLEDDisplayUiState *st
        }
        // else show nothing
    }
+#endif
 }

 // ****************************
@@ -492,7 +503,11 @@ void UIRenderer::drawDeviceFocused(OLEDDisplay *display, OLEDDisplayUiState *sta
    int line = 1;

    // === Header ===
+#if defined(M5STACK_UNITC6L)
+    graphics::drawCommonHeader(display, x, y, "Home");
+#else
    graphics::drawCommonHeader(display, x, y, "");
+#endif

    // === Content below header ===

@@ -507,20 +522,25 @@ void UIRenderer::drawDeviceFocused(OLEDDisplay *display, OLEDDisplayUiState *sta
    config.display.heading_bold = false;

    // Display Region and Channel Utilization
+#if defined(M5STACK_UNITC6L)
+    drawNodes(display, x, getTextPositions(display)[line] + 2, nodeStatus, -1, false, "online");
+#else
    drawNodes(display, x + 1, getTextPositions(display)[line] + 2, nodeStatus, -1, false, "online");
-
+#endif
    char uptimeStr[32] = "";
    uint32_t uptime = millis() / 1000;
    uint32_t days = uptime / 86400;
    uint32_t hours = (uptime % 86400) / 3600;
    uint32_t mins = (uptime % 3600) / 60;
    // Show as "Up: 2d 3h", "Up: 5h 14m", or "Up: 37m"
+#if !defined(M5STACK_UNITC6L)
    if (days)
        snprintf(uptimeStr, sizeof(uptimeStr), "Up: %ud %uh", days, hours);
    else if (hours)
        snprintf(uptimeStr, sizeof(uptimeStr), "Up: %uh %um", hours, mins);
    else
        snprintf(uptimeStr, sizeof(uptimeStr), "Up: %um", mins);
+#endif
    display->drawString(SCREEN_WIDTH - display->getStringWidth(uptimeStr), getTextPositions(display)[line++], uptimeStr);

    // === Second Row: Satellites and Voltage ===
@@ -549,6 +569,21 @@ void UIRenderer::drawDeviceFocused(OLEDDisplay *display, OLEDDisplayUiState *sta
    }
 #endif

+#if defined(M5STACK_UNITC6L)
+    line += 1;
+
+    // === Node Identity ===
+    int textWidth = 0;
+    int nameX = 0;
+    char shortnameble[35];
+    snprintf(shortnameble, sizeof(shortnameble), "%s",
+             graphics::UIRenderer::haveGlyphs(owner.short_name) ? owner.short_name : "");
+
+    // === ShortName Centered ===
+    textWidth = display->getStringWidth(shortnameble);
+    nameX = (SCREEN_WIDTH - textWidth) / 2;
+    display->drawString(nameX, getTextPositions(display)[line++], shortnameble);
+#else
    if (powerStatus->getHasBattery()) {
        char batStr[20];
        int batV = powerStatus->getBatteryVoltageMv() / 1000;
@@ -674,6 +709,7 @@ void UIRenderer::drawDeviceFocused(OLEDDisplay *display, OLEDDisplayUiState *sta
        nameX = (SCREEN_WIDTH - textWidth) / 2;
        display->drawString(nameX, getTextPositions(display)[line++], shortnameble);
    }
+#endif
 }

 // Start Functions to write date/time to the screen
@@ -832,6 +868,28 @@ void UIRenderer::drawIconScreen(const char *upperMsg, OLEDDisplay *display, OLED
    // needs to be drawn relative to x and y

    // draw centered icon left to right and centered above the one line of app text
+#if defined(M5STACK_UNITC6L)
+    display->drawXbm(x + (SCREEN_WIDTH - 50) / 2, y + (SCREEN_HEIGHT - 28) / 2, icon_width, icon_height, icon_bits);
+    display->setFont(FONT_MEDIUM);
+    display->setTextAlignment(TEXT_ALIGN_LEFT);
+    display->setFont(FONT_SMALL);
+    // Draw region in upper left
+    if (upperMsg) {
+        int msgWidth = display->getStringWidth(upperMsg);
+        int msgX = x + (SCREEN_WIDTH - msgWidth) / 2;
+        int msgY = y;
+        display->drawString(msgX, msgY, upperMsg);
+    }
+    // Draw version and short name in bottom middle
+    char buf[25];
+    snprintf(buf, sizeof(buf), "%s   %s", xstr(APP_VERSION_SHORT),
+             graphics::UIRenderer::haveGlyphs(owner.short_name) ? owner.short_name : "");
+
+    display->drawString(x + getStringCenteredX(buf), y + SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM, buf);
+    screen->forceDisplay();
+
+    display->setTextAlignment(TEXT_ALIGN_LEFT); // Restore left align, just to be kind to any other unsuspecting code
+#else
    display->drawXbm(x + (SCREEN_WIDTH - icon_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - icon_height) / 2 + 2,
                     icon_width, icon_height, icon_bits);

@@ -840,7 +898,6 @@ void UIRenderer::drawIconScreen(const char *upperMsg, OLEDDisplay *display, OLED
    const char *title = "meshtastic.org";
    display->drawString(x + getStringCenteredX(title), y + SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM, title);
    display->setFont(FONT_SMALL);
-
    // Draw region in upper left
    if (upperMsg)
        display->drawString(x + 0, y + 0, upperMsg);
@@ -855,6 +912,7 @@ void UIRenderer::drawIconScreen(const char *upperMsg, OLEDDisplay *display, OLED
    screen->forceDisplay();

    display->setTextAlignment(TEXT_ALIGN_LEFT); // Restore left align, just to be kind to any other unsuspecting code
+#endif
 }

 // ****************************
@@ -930,15 +988,26 @@ void UIRenderer::drawCompassAndLocationScreen(OLEDDisplay *display, OLEDDisplayU
        UIRenderer::formatDateTime(datetimeStr, sizeof(datetimeStr), rtc_sec, display, showTime);
        char fullLine[40];
        snprintf(fullLine, sizeof(fullLine), " Date: %s", datetimeStr);
+#if !defined(M5STACK_UNITC6L)
        display->drawString(0, getTextPositions(display)[line++], fullLine);
+#endif

        // === Third Row: Latitude ===
        char latStr[32];
+#if defined(M5STACK_UNITC6L)
+        snprintf(latStr, sizeof(latStr), "Lat:%.5f", geoCoord.getLatitude() * 1e-7);
+        display->drawString(x, getTextPositions(display)[line++] + 2, latStr);
+#else
        snprintf(latStr, sizeof(latStr), " Lat: %.5f", geoCoord.getLatitude() * 1e-7);
        display->drawString(x, getTextPositions(display)[line++], latStr);
+#endif

        // === Fourth Row: Longitude ===
        char lonStr[32];
+#if defined(M5STACK_UNITC6L)
+        snprintf(lonStr, sizeof(lonStr), "Lon:%.3f", geoCoord.getLongitude() * 1e-7);
+        display->drawString(x, getTextPositions(display)[line++] + 4, lonStr);
+#else
        snprintf(lonStr, sizeof(lonStr), " Lon: %.5f", geoCoord.getLongitude() * 1e-7);
        display->drawString(x, getTextPositions(display)[line++], lonStr);

@@ -950,8 +1019,9 @@ void UIRenderer::drawCompassAndLocationScreen(OLEDDisplay *display, OLEDDisplayU
            snprintf(DisplayLineTwo, sizeof(DisplayLineTwo), " Alt: %.0im", geoCoord.getAltitude());
        }
        display->drawString(x, getTextPositions(display)[line++], DisplayLineTwo);
+#endif
    }
-
+#if !defined(M5STACK_UNITC6L)
    // === Draw Compass if heading is valid ===
    if (validHeading) {
        // --- Compass Rendering: landscape (wide) screens use original side-aligned logic ---
@@ -1034,6 +1104,7 @@ void UIRenderer::drawCompassAndLocationScreen(OLEDDisplay *display, OLEDDisplayU
        }
    }
 #endif
+#endif
 }

 #ifdef USERPREFS_OEM_TEXT
@@ -1190,7 +1261,6 @@ void UIRenderer::drawNavigationBar(OLEDDisplay *display, OLEDDisplayUiState *sta
            display->setColor(WHITE);
        }
    }
-
    // Knock the corners off the square
    display->setColor(BLACK);
    display->drawRect(rectX, y - 2, 1, 1);
--- a/src/graphics/images.h
+++ b/src/graphics/images.h
@@ -287,6 +287,9 @@ const uint8_t digital_icon_clock[] PROGMEM = {0b00111100, 0b01000010, 0b10000101
 #define analog_icon_clock_height 8
 const uint8_t analog_icon_clock[] PROGMEM = {0b11111111, 0b01000010, 0b00100100, 0b00011000,
                                             0b00100100, 0b01000010, 0b01000010, 0b11111111};
-
+#ifdef M5STACK_UNITC6L
+#include "img/icon_small.xbm"
+#else
 #include "img/icon.xbm"
+#endif
 static_assert(sizeof(icon_bits) >= 0, "Silence unused variable warning");
--- a/src/graphics/img/icon_small.xbm
+++ b/src/graphics/img/icon_small.xbm
@@ -0,0 +1,30 @@
+#ifndef USERPREFS_HAS_SPLASH
+#define icon_width 50
+#define icon_height 20
+static uint8_t icon_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x80, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x80,
+  0x07, 0xc0, 0x07, 0x00, 0x00, 0x00, 0xc0, 0x0f,
+  0xc0, 0x0f, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xe0,
+  0x0f, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xf0, 0x1f,
+  0x00, 0x00, 0x00, 0xf0, 0x03, 0xf0, 0x3f, 0x00,
+  0x00, 0x00, 0xf8, 0x03, 0xf8, 0x7f, 0x00, 0x00,
+  0x00, 0xf8, 0x01, 0xfc, 0x7e, 0x00, 0x00, 0x00,
+  0xfc, 0x00, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0xfe,
+  0x00, 0x7e, 0xf8, 0x00, 0x00, 0x00, 0x7e, 0x00,
+  0x3f, 0xf8, 0x01, 0x00, 0x00, 0x3f, 0x00, 0x1f,
+  0xf0, 0x01, 0x00, 0x00, 0x1f, 0x80, 0x1f, 0xe0,
+  0x03, 0x00, 0x80, 0x1f, 0xc0, 0x0f, 0xe0, 0x03,
+  0x00, 0x80, 0x0f, 0xc0, 0x07, 0xc0, 0x07, 0x00,
+  0xc0, 0x0f, 0xe0, 0x07, 0x80, 0x0f, 0x00, 0xe0,
+  0x07, 0xf0, 0x03, 0x80, 0x1f, 0x00, 0xe0, 0x03,
+  0xf8, 0x03, 0x00, 0x1f, 0x00, 0xf0, 0x03, 0xf8,
+  0x01, 0x00, 0x3f, 0x00, 0xf8, 0x01, 0xfc, 0x00,
+  0x00, 0x7e, 0x00, 0xfc, 0x00, 0xfe, 0x00, 0x00,
+  0x7e, 0x00, 0xfc, 0x00, 0x7e, 0x00, 0x00, 0xfc,
+  0x00, 0x7e, 0x00, 0x3f, 0x00, 0x00, 0xf8, 0x00,
+  0x7e, 0x00, 0x3e, 0x00, 0x00, 0xf8, 0x00, 0x38,
+  0x00, 0x1c, 0x00, 0x00, 0x70, 0x00, 0x10, 0x00,
+  0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00 };
+#endif
--- a/src/input/RotaryEncoderImpl.cpp
+++ b/src/input/RotaryEncoderImpl.cpp
@@ -40,10 +40,7 @@ bool RotaryEncoderImpl::init()

 int32_t RotaryEncoderImpl::runOnce()
 {
-    InputEvent e;
-    e.inputEvent = INPUT_BROKER_NONE;
-    e.source = this->originName;
-
+    InputEvent e{originName, INPUT_BROKER_NONE, 0, 0, 0};
    static uint32_t lastPressed = millis();
    if (rotary->readButton() == RotaryEncoder::ButtonState::BUTTON_PRESSED) {
        if (lastPressed + 200 < millis()) {
@@ -70,7 +67,7 @@ int32_t RotaryEncoderImpl::runOnce()
        this->notifyObservers(&e);
    }

-    return 20;
+    return 10;
 }

 #endif
--- a/src/input/i2cButton.cpp
+++ b/src/input/i2cButton.cpp
@@ -0,0 +1,95 @@
+#include "i2cButton.h"
+#include "meshUtils.h"
+
+#include "configuration.h"
+#if defined(M5STACK_UNITC6L)
+
+#include "MeshService.h"
+#include "RadioLibInterface.h"
+#include "buzz.h"
+#include "input/InputBroker.h"
+#include "main.h"
+#include "modules/CannedMessageModule.h"
+#include "modules/ExternalNotificationModule.h"
+#include "power.h"
+#include "sleep.h"
+#ifdef ARCH_PORTDUINO
+#include "platform/portduino/PortduinoGlue.h"
+#endif
+
+i2cButtonThread *i2cButton;
+
+using namespace concurrency;
+
+extern void i2c_read_byte(uint8_t addr, uint8_t reg, uint8_t *value);
+
+extern void i2c_write_byte(uint8_t addr, uint8_t reg, uint8_t value);
+
+#define PI4IO_M_ADDR 0x43
+#define getbit(x, y) ((x) >> (y)&0x01)
+#define PI4IO_REG_IRQ_STA 0x13
+#define PI4IO_REG_IN_STA 0x0F
+#define PI4IO_REG_CHIP_RESET 0x01
+
+i2cButtonThread::i2cButtonThread(const char *name) : OSThread(name)
+{
+    _originName = name;
+    if (inputBroker)
+        inputBroker->registerSource(this);
+}
+
+int32_t i2cButtonThread::runOnce()
+{
+    static bool btn1_pressed = false;
+    static uint32_t press_start_time = 0;
+    const uint32_t LONG_PRESS_TIME = 1000;
+    static bool long_press_triggered = false;
+
+    uint8_t in_data;
+    i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_IRQ_STA, &in_data);
+    i2c_write_byte(PI4IO_M_ADDR, PI4IO_REG_IRQ_STA, in_data);
+    if (getbit(in_data, 0)) {
+        uint8_t input_state;
+        i2c_read_byte(PI4IO_M_ADDR, PI4IO_REG_IN_STA, &input_state);
+
+        if (!getbit(input_state, 0)) {
+            if (!btn1_pressed) {
+                btn1_pressed = true;
+                press_start_time = millis();
+                long_press_triggered = false;
+            }
+        } else {
+            if (btn1_pressed) {
+                btn1_pressed = false;
+                uint32_t press_duration = millis() - press_start_time;
+                if (long_press_triggered) {
+                    long_press_triggered = false;
+                    return 50;
+                }
+
+                if (press_duration < LONG_PRESS_TIME) {
+                    InputEvent evt;
+                    evt.source = "UserButton";
+                    evt.inputEvent = INPUT_BROKER_USER_PRESS;
+                    evt.kbchar = 0;
+                    evt.touchX = 0;
+                    evt.touchY = 0;
+                    this->notifyObservers(&evt);
+                }
+            }
+        }
+    }
+
+    if (btn1_pressed && !long_press_triggered && (millis() - press_start_time >= LONG_PRESS_TIME)) {
+        long_press_triggered = true;
+        InputEvent evt;
+        evt.source = "UserButton";
+        evt.inputEvent = INPUT_BROKER_SELECT;
+        evt.kbchar = 0;
+        evt.touchX = 0;
+        evt.touchY = 0;
+        this->notifyObservers(&evt);
+    }
+    return 50;
+}
+#endif
--- a/src/input/i2cButton.h
+++ b/src/input/i2cButton.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "InputBroker.h"
+#include "OneButton.h"
+#include "concurrency/OSThread.h"
+#include "configuration.h"
+#if defined(M5STACK_UNITC6L)
+
+class i2cButtonThread : public Observable<const InputEvent *>, public concurrency::OSThread
+{
+  public:
+    const char *_originName;
+    explicit i2cButtonThread(const char *name);
+    int32_t runOnce() override;
+};
+
+extern i2cButtonThread *i2cButton;
+#endif
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -385,7 +385,6 @@ void setup()
    io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
    io.pinMode(EXPANDS_SD_PULLEN, INPUT);
 #endif
-
    concurrency::hasBeenSetup = true;
 #if ARCH_PORTDUINO
    SPISettings spiSettings(settingsMap[spiSpeed], MSBFIRST, SPI_MODE0);
@@ -544,6 +543,12 @@ void setup()
 #endif
 #endif

+#if defined(M5STACK_UNITC6L)
+    pinMode(LORA_CS, OUTPUT);
+    digitalWrite(LORA_CS, 1);
+    c6l_init();
+#endif
+
 #ifdef PIN_LCD_RESET
    // FIXME - move this someplace better, LCD is at address 0x3F
    pinMode(PIN_LCD_RESET, OUTPUT);
@@ -741,6 +746,7 @@ void setup()
    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::RAK12035, meshtastic_TelemetrySensorType_RAK12035);
    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::PCT2075, meshtastic_TelemetrySensorType_PCT2075);
    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::SCD4X, meshtastic_TelemetrySensorType_SCD4X);
+    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::TSL2561, meshtastic_TelemetrySensorType_TSL2561);

    i2cScanner.reset();
 #endif
@@ -876,7 +882,8 @@ void setup()
    if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {

 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
+    defined(USE_SPISSD1306)
        screen = new graphics::Screen(screen_found, screen_model, screen_geometry);
 #elif defined(ARCH_PORTDUINO)
        if ((screen_found.port != ScanI2C::I2CPort::NO_I2C || settingsMap[displayPanel]) &&
@@ -1139,7 +1146,8 @@ void setup()
 // Don't call screen setup until after nodedb is setup (because we need
 // the current region name)
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
+    defined(USE_SPISSD1306)
    if (screen)
        screen->setup();
 #elif defined(ARCH_PORTDUINO)
--- a/src/memGet.cpp
+++ b/src/memGet.cpp
@@ -89,3 +89,15 @@ uint32_t MemGet::getPsramSize()
    return 0;
 #endif
 }
+
+void displayPercentHeapFree()
+{
+    uint32_t freeHeap = memGet.getFreeHeap();
+    uint32_t totalHeap = memGet.getHeapSize();
+    if (totalHeap == 0 || totalHeap == UINT32_MAX) {
+        LOG_INFO("Heap size unavailable");
+        return;
+    }
+    int percent = (int)((freeHeap * 100) / totalHeap);
+    LOG_INFO("Heap free: %d%% (%u/%u bytes)", percent, freeHeap, totalHeap);
+}
--- a/src/mesh/MemoryPool.h
+++ b/src/mesh/MemoryPool.h
@@ -6,6 +6,7 @@
 #include <memory>

 #include "PointerQueue.h"
+#include "configuration.h" // For LOG_WARN, LOG_DEBUG, LOG_HEAP

 template <class T> class Allocator
 {
@@ -14,13 +15,14 @@ template <class T> class Allocator
    Allocator() : deleter([this](T *p) { this->release(p); }) {}
    virtual ~Allocator() {}

-    /// Return a queable object which has been prefilled with zeros.  Panic if no buffer is available
+    /// Return a queable object which has been prefilled with zeros.  Return nullptr if no buffer is available
    /// Note: this method is safe to call from regular OR ISR code
    T *allocZeroed()
    {
        T *p = allocZeroed(0);
-
-        assert(p); // FIXME panic instead
+        if (!p) {
+            LOG_WARN("Failed to allocate zeroed memory");
+        }
        return p;
    }

@@ -39,9 +41,11 @@ template <class T> class Allocator
    T *allocCopy(const T &src, TickType_t maxWait = portMAX_DELAY)
    {
        T *p = alloc(maxWait);
-        assert(p);
+        if (!p) {
+            LOG_WARN("Failed to allocate memory for copy");
+            return nullptr;
+        }

-        if (p)
        *p = src;
        return p;
    }
@@ -83,7 +87,11 @@ template <class T> class MemoryDynamic : public Allocator<T>
    /// Return a buffer for use by others
    virtual void release(T *p) override
    {
-        assert(p);
+        if (p == nullptr)
+            return;
+
+        LOG_HEAP("Freeing 0x%x", p);
+
        free(p);
    }

@@ -96,3 +104,58 @@ template <class T> class MemoryDynamic : public Allocator<T>
        return p;
    }
 };
+
+/**
+ * A static memory pool that uses a fixed buffer instead of heap allocation
+ */
+template <class T, int MaxSize> class MemoryPool : public Allocator<T>
+{
+  private:
+    T pool[MaxSize];
+    bool used[MaxSize];
+
+  public:
+    MemoryPool() : pool{}, used{}
+    {
+        // Arrays are now zero-initialized by member initializer list
+        // pool array: all elements are default-constructed (zero for POD types)
+        // used array: all elements are false (zero-initialized)
+    }
+
+    /// Return a buffer for use by others
+    virtual void release(T *p) override
+    {
+        if (!p) {
+            LOG_DEBUG("Failed to release memory, pointer is null");
+            return;
+        }
+
+        // Find the index of this pointer in our pool
+        int index = p - pool;
+        if (index >= 0 && index < MaxSize) {
+            assert(used[index]); // Should be marked as used
+            used[index] = false;
+            LOG_HEAP("Released static pool item %d at 0x%x", index, p);
+        } else {
+            LOG_WARN("Pointer 0x%x not from our pool!", p);
+        }
+    }
+
+  protected:
+    // Alloc some storage from our static pool
+    virtual T *alloc(TickType_t maxWait) override
+    {
+        // Find first free slot
+        for (int i = 0; i < MaxSize; i++) {
+            if (!used[i]) {
+                used[i] = true;
+                LOG_HEAP("Allocated static pool item %d at 0x%x", i, &pool[i]);
+                return &pool[i];
+            }
+        }
+
+        // No free slots available - return nullptr instead of asserting
+        LOG_WARN("No free slots available in static memory pool!");
+        return nullptr;
+    }
+};
--- a/src/mesh/MeshModule.cpp
+++ b/src/mesh/MeshModule.cpp
@@ -100,7 +100,6 @@ void MeshModule::callModules(meshtastic_MeshPacket &mp, RxSource src)
    // Was this message directed to us specifically?  Will be false if we are sniffing someone elses packets
    auto ourNodeNum = nodeDB->getNodeNum();
    bool toUs = isBroadcast(mp.to) || isToUs(&mp);
-    bool fromUs = mp.from == ourNodeNum;

    for (auto i = modules->begin(); i != modules->end(); ++i) {
        auto &pi = **i;
--- a/src/mesh/MeshService.cpp
+++ b/src/mesh/MeshService.cpp
@@ -46,11 +46,14 @@ the new node can build its node db)

 MeshService *service;

-static MemoryDynamic<meshtastic_MqttClientProxyMessage> staticMqttClientProxyMessagePool;
+#define MAX_MQTT_PROXY_MESSAGES 16
+static MemoryPool<meshtastic_MqttClientProxyMessage, MAX_MQTT_PROXY_MESSAGES> staticMqttClientProxyMessagePool;

-static MemoryDynamic<meshtastic_QueueStatus> staticQueueStatusPool;
+#define MAX_QUEUE_STATUS 4
+static MemoryPool<meshtastic_QueueStatus, MAX_QUEUE_STATUS> staticQueueStatusPool;

-static MemoryDynamic<meshtastic_ClientNotification> staticClientNotificationPool;
+#define MAX_CLIENT_NOTIFICATIONS 4
+static MemoryPool<meshtastic_ClientNotification, MAX_CLIENT_NOTIFICATIONS> staticClientNotificationPool;

 Allocator<meshtastic_MqttClientProxyMessage> &mqttClientProxyMessagePool = staticMqttClientProxyMessagePool;

@@ -61,8 +64,10 @@ Allocator<meshtastic_QueueStatus> &queueStatusPool = staticQueueStatusPool;
 #include "Router.h"

 MeshService::MeshService()
-    : toPhoneQueue(MAX_RX_TOPHONE), toPhoneQueueStatusQueue(MAX_RX_TOPHONE), toPhoneMqttProxyQueue(MAX_RX_TOPHONE),
-      toPhoneClientNotificationQueue(MAX_RX_TOPHONE / 2)
+#ifdef ARCH_PORTDUINO
+    : toPhoneQueue(MAX_RX_TOPHONE), toPhoneQueueStatusQueue(MAX_RX_QUEUESTATUS_TOPHONE),
+      toPhoneMqttProxyQueue(MAX_RX_MQTTPROXY_TOPHONE), toPhoneClientNotificationQueue(MAX_RX_NOTIFICATION_TOPHONE)
+#endif
 {
    lastQueueStatus = {0, 0, 16, 0};
 }
@@ -191,8 +196,10 @@ void MeshService::handleToRadio(meshtastic_MeshPacket &p)
                                                 // (so we update our nodedb for the local node)

    // Send the packet into the mesh
-
-    sendToMesh(packetPool.allocCopy(p), RX_SRC_USER);
+    DEBUG_HEAP_BEFORE;
+    auto a = packetPool.allocCopy(p);
+    DEBUG_HEAP_AFTER("MeshService::handleToRadio", a);
+    sendToMesh(a, RX_SRC_USER);

    bool loopback = false; // if true send any packet the phone sends back itself (for testing)
    if (loopback) {
@@ -248,7 +255,11 @@ void MeshService::sendToMesh(meshtastic_MeshPacket *p, RxSource src, bool ccToPh
    }

    if ((res == ERRNO_OK || res == ERRNO_SHOULD_RELEASE) && ccToPhone) { // Check if p is not released in case it couldn't be sent
-        sendToPhone(packetPool.allocCopy(*p));
+        DEBUG_HEAP_BEFORE;
+        auto a = packetPool.allocCopy(*p);
+        DEBUG_HEAP_AFTER("MeshService::sendToMesh", a);
+
+        sendToPhone(a);
    }

    // Router may ask us to release the packet if it wasn't sent
--- a/src/mesh/MeshService.h
+++ b/src/mesh/MeshService.h
@@ -9,7 +9,12 @@
 #include "MeshRadio.h"
 #include "MeshTypes.h"
 #include "Observer.h"
+#ifdef ARCH_PORTDUINO
 #include "PointerQueue.h"
+#else
+#include "StaticPointerQueue.h"
+#endif
+#include "mesh-pb-constants.h"
 #if defined(ARCH_PORTDUINO)
 #include "../platform/portduino/SimRadio.h"
 #endif
@@ -37,16 +42,32 @@ class MeshService
    /// FIXME, change to a DropOldestQueue and keep a count of the number of dropped packets to ensure
    /// we never hang because android hasn't been there in a while
    /// FIXME - save this to flash on deep sleep
+#ifdef ARCH_PORTDUINO
    PointerQueue<meshtastic_MeshPacket> toPhoneQueue;
+#else
+    StaticPointerQueue<meshtastic_MeshPacket, MAX_RX_TOPHONE> toPhoneQueue;
+#endif

    // keep list of QueueStatus packets to be send to the phone
+#ifdef ARCH_PORTDUINO
    PointerQueue<meshtastic_QueueStatus> toPhoneQueueStatusQueue;
+#else
+    StaticPointerQueue<meshtastic_QueueStatus, MAX_RX_QUEUESTATUS_TOPHONE> toPhoneQueueStatusQueue;
+#endif

    // keep list of MqttClientProxyMessages to be send to the client for delivery
+#ifdef ARCH_PORTDUINO
    PointerQueue<meshtastic_MqttClientProxyMessage> toPhoneMqttProxyQueue;
+#else
+    StaticPointerQueue<meshtastic_MqttClientProxyMessage, MAX_RX_MQTTPROXY_TOPHONE> toPhoneMqttProxyQueue;
+#endif

    // keep list of ClientNotifications to be send to the client (phone)
+#ifdef ARCH_PORTDUINO
    PointerQueue<meshtastic_ClientNotification> toPhoneClientNotificationQueue;
+#else
+    StaticPointerQueue<meshtastic_ClientNotification, MAX_RX_NOTIFICATION_TOPHONE> toPhoneClientNotificationQueue;
+#endif

    // This holds the last QueueStatus send
    meshtastic_QueueStatus lastQueueStatus;
--- a/src/mesh/NextHopRouter.cpp
+++ b/src/mesh/NextHopRouter.cpp
@@ -34,8 +34,11 @@ bool NextHopRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
    bool weWereNextHop = false;
    if (wasSeenRecently(p, true, &wasFallback, &weWereNextHop)) { // Note: this will also add a recent packet record
        printPacket("Ignore dupe incoming msg", p);
+
+        if (p->transport_mechanism == meshtastic_MeshPacket_TransportMechanism_TRANSPORT_LORA) {
            rxDupe++;
            stopRetransmission(p->from, p->id);
+        }

        // If it was a fallback to flooding, try to relay again
        if (wasFallback) {
@@ -71,10 +74,11 @@ void NextHopRouter::sniffReceived(const meshtastic_MeshPacket *p, const meshtast
        if (p->from != 0) {
            meshtastic_NodeInfoLite *origTx = nodeDB->getMeshNode(p->from);
            if (origTx) {
-                // Either relayer of ACK was also a relayer of the packet, or we were the relayer and the ACK came directly from
-                // the destination
+                // Either relayer of ACK was also a relayer of the packet, or we were the *only* relayer and the ACK came directly
+                // from the destination
                if (wasRelayer(p->relay_node, p->decoded.request_id, p->to) ||
-                    (wasRelayer(ourRelayID, p->decoded.request_id, p->to) && p->hop_start != 0 && p->hop_start == p->hop_limit)) {
+                    (p->hop_start != 0 && p->hop_start == p->hop_limit &&
+                     wasSoleRelayer(ourRelayID, p->decoded.request_id, p->to))) {
                    if (origTx->next_hop != p->relay_node) { // Not already set
                        LOG_INFO("Update next hop of 0x%x to 0x%x based on ACK/reply", p->from, p->relay_node);
                        origTx->next_hop = p->relay_node;
@@ -171,12 +175,18 @@ bool NextHopRouter::stopRetransmission(GlobalPacketId key)
                                config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER_LATE)) {
                // remove the 'original' (identified by originator and packet->id) from the txqueue and free it
                cancelSending(getFrom(p), p->id);
-                // now free the pooled copy for retransmission too
-                packetPool.release(p);
            }
        }
+
+        // Regardless of whether or not we canceled this packet from the txQueue, remove it from our pending list so it doesn't
+        // get scheduled again. (This is the core of stopRetransmission.)
        auto numErased = pending.erase(key);
        assert(numErased == 1);
+
+        // When we remove an entry from pending, always be sure to release the copy of the packet that was allocated in the call
+        // to startRetransmission.
+        packetPool.release(p);
+
        return true;
    } else
        return false;
--- a/src/mesh/NodeDB.cpp
+++ b/src/mesh/NodeDB.cpp
@@ -663,7 +663,7 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
    config.bluetooth.fixed_pin = defaultBLEPin;

 #if defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||       \
-    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS)
+    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_SPISSD1306)
    bool hasScreen = true;
 #ifdef HELTEC_MESH_NODE_T114
    uint32_t st7789_id = get_st7789_id(ST7789_NSS, ST7789_SCK, ST7789_SDA, ST7789_RS, ST7789_RESET);
--- a/src/mesh/PacketHistory.cpp
+++ b/src/mesh/PacketHistory.cpp
@@ -294,7 +294,7 @@ void PacketHistory::insert(const PacketRecord &r)

 /* Check if a certain node was a relayer of a packet in the history given an ID and sender
 * @return true if node was indeed a relayer, false if not */
-bool PacketHistory::wasRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender)
+bool PacketHistory::wasRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender, bool *wasSole)
 {
    if (!initOk()) {
        LOG_ERROR("PacketHistory - wasRelayer: NOT INITIALIZED!");
@@ -322,27 +322,42 @@ bool PacketHistory::wasRelayer(const uint8_t relayer, const uint32_t id, const N
              found->sender, found->id, found->next_hop, millis() - found->rxTimeMsec, found->relayed_by[0], found->relayed_by[1],
              found->relayed_by[2], relayer);
 #endif
-    return wasRelayer(relayer, *found);
+    return wasRelayer(relayer, *found, wasSole);
 }

 /* Check if a certain node was a relayer of a packet in the history given iterator
 * @return true if node was indeed a relayer, false if not */
-bool PacketHistory::wasRelayer(const uint8_t relayer, const PacketRecord &r)
+bool PacketHistory::wasRelayer(const uint8_t relayer, const PacketRecord &r, bool *wasSole)
 {
-    for (uint8_t i = 0; i < NUM_RELAYERS; i++) {
+    bool found = false;
+    bool other_present = false;
+
+    for (uint8_t i = 0; i < NUM_RELAYERS; ++i) {
        if (r.relayed_by[i] == relayer) {
-#if VERBOSE_PACKET_HISTORY
-            LOG_DEBUG("Packet History - was rel.PR.: s=%08x id=%08x rls=%02x %02x %02x / rl=%02x? YES", r.sender, r.id,
-                      r.relayed_by[0], r.relayed_by[1], r.relayed_by[2], relayer);
-#endif
-            return true;
+            found = true;
+        } else if (r.relayed_by[i] != 0) {
+            other_present = true;
        }
    }
+
+    if (wasSole) {
+        *wasSole = (found && !other_present);
+    }
+
 #if VERBOSE_PACKET_HISTORY
    LOG_DEBUG("Packet History - was rel.PR.: s=%08x id=%08x rls=%02x %02x %02x / rl=%02x? NO", r.sender, r.id, r.relayed_by[0],
              r.relayed_by[1], r.relayed_by[2], relayer);
 #endif
-    return false;
+
+    return found;
+}
+
+// Check if a certain node was the *only* relayer of a packet in the history given an ID and sender
+bool PacketHistory::wasSoleRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender)
+{
+    bool wasSole = false;
+    wasRelayer(relayer, id, sender, &wasSole);
+    return wasSole;
 }

 // Remove a relayer from the list of relayers of a packet in the history given an ID and sender
--- a/src/mesh/PacketHistory.h
+++ b/src/mesh/PacketHistory.h
@@ -34,8 +34,9 @@ class PacketHistory
    void insert(const PacketRecord &r); // Insert or replace a packet record in the history

    /* Check if a certain node was a relayer of a packet in the history given iterator
+     * If wasSole is not nullptr, it will be set to true if the relayer was the only relayer of that packet
     * @return true if node was indeed a relayer, false if not */
-    bool wasRelayer(const uint8_t relayer, const PacketRecord &r);
+    bool wasRelayer(const uint8_t relayer, const PacketRecord &r, bool *wasSole = nullptr);

    PacketHistory(const PacketHistory &);            // non construction-copyable
    PacketHistory &operator=(const PacketHistory &); // non copyable
@@ -54,8 +55,12 @@ class PacketHistory
                         bool *weWereNextHop = nullptr);

    /* Check if a certain node was a relayer of a packet in the history given an ID and sender
+     * If wasSole is not nullptr, it will be set to true if the relayer was the only relayer of that packet
     * @return true if node was indeed a relayer, false if not */
-    bool wasRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender);
+    bool wasRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender, bool *wasSole = nullptr);
+
+    // Check if a certain node was the *only* relayer of a packet in the history given an ID and sender
+    bool wasSoleRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender);

    // Remove a relayer from the list of relayers of a packet in the history given an ID and sender
    void removeRelayer(const uint8_t relayer, const uint32_t id, const NodeNum sender);
--- a/src/mesh/PhoneAPI.cpp
+++ b/src/mesh/PhoneAPI.cpp
@@ -100,6 +100,7 @@ void PhoneAPI::close()
        config_nonce = 0;
        config_state = 0;
        pauseBluetoothLogging = false;
+        heartbeatReceived = false;
    }
 }

--- a/src/mesh/ReliableRouter.cpp
+++ b/src/mesh/ReliableRouter.cpp
@@ -2,6 +2,7 @@
 #include "Default.h"
 #include "MeshTypes.h"
 #include "configuration.h"
+#include "memGet.h"
 #include "mesh-pb-constants.h"
 #include "modules/NodeInfoModule.h"
 #include "modules/RoutingModule.h"
@@ -21,8 +22,10 @@ ErrorCode ReliableRouter::send(meshtastic_MeshPacket *p)
        if (p->hop_limit == 0) {
            p->hop_limit = Default::getConfiguredOrDefaultHopLimit(config.lora.hop_limit);
        }
-
+        DEBUG_HEAP_BEFORE;
        auto copy = packetPool.allocCopy(*p);
+        DEBUG_HEAP_AFTER("ReliableRouter::send", copy);
+
        startRetransmission(copy, NUM_RELIABLE_RETX);
    }

@@ -58,7 +61,10 @@ bool ReliableRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
            // marked as wantAck
            sendAckNak(meshtastic_Routing_Error_NONE, getFrom(p), p->id, old->packet->channel);

+            // Only stop retransmissions if the rebroadcast came via LoRa
+            if (p->transport_mechanism == meshtastic_MeshPacket_TransportMechanism_TRANSPORT_LORA) {
                stopRetransmission(key);
+            }
        } else {
            LOG_DEBUG("Didn't find pending packet");
        }
--- a/src/mesh/Router.cpp
+++ b/src/mesh/Router.cpp
@@ -5,6 +5,7 @@
 #include "MeshService.h"
 #include "NodeDB.h"
 #include "RTC.h"
+
 #include "configuration.h"
 #include "detect/LoRaRadioType.h"
 #include "main.h"
@@ -27,14 +28,24 @@

 // I think this is right, one packet for each of the three fifos + one packet being currently assembled for TX or RX
 // And every TX packet might have a retransmission packet or an ack alive at any moment
+
+#ifdef ARCH_PORTDUINO
+// Portduino (native) targets can use dynamic memory pools with runtime-configurable sizes
 #define MAX_PACKETS                                                                                                              \
    (MAX_RX_TOPHONE + MAX_RX_FROMRADIO + 2 * MAX_TX_QUEUE +                                                                      \
     2) // max number of packets which can be in flight (either queued from reception or queued for sending)

-// static MemoryPool<MeshPacket> staticPool(MAX_PACKETS);
-static MemoryDynamic<meshtastic_MeshPacket> staticPool;
+static MemoryDynamic<meshtastic_MeshPacket> dynamicPool;
+Allocator<meshtastic_MeshPacket> &packetPool = dynamicPool;
+#else
+// Embedded targets use static memory pools with compile-time constants
+#define MAX_PACKETS_STATIC                                                                                                       \
+    (MAX_RX_TOPHONE + MAX_RX_FROMRADIO + 2 * MAX_TX_QUEUE +                                                                      \
+     2) // max number of packets which can be in flight (either queued from reception or queued for sending)

+static MemoryPool<meshtastic_MeshPacket, MAX_PACKETS_STATIC> staticPool;
 Allocator<meshtastic_MeshPacket> &packetPool = staticPool;
+#endif

 static uint8_t bytes[MAX_LORA_PAYLOAD_LEN + 1] __attribute__((__aligned__));

@@ -275,7 +286,10 @@ ErrorCode Router::send(meshtastic_MeshPacket *p)
    // If the packet is not yet encrypted, do so now
    if (p->which_payload_variant == meshtastic_MeshPacket_decoded_tag) {
        ChannelIndex chIndex = p->channel; // keep as a local because we are about to change it
+
+        DEBUG_HEAP_BEFORE;
        meshtastic_MeshPacket *p_decoded = packetPool.allocCopy(*p);
+        DEBUG_HEAP_AFTER("Router::send", p_decoded);

        auto encodeResult = perhapsEncode(p);
        if (encodeResult != meshtastic_Routing_Error_NONE) {
@@ -607,8 +621,11 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)
    bool skipHandle = false;
    // Also, we should set the time from the ISR and it should have msec level resolution
    p->rx_time = getValidTime(RTCQualityFromNet); // store the arrival timestamp for the phone
+
    // Store a copy of encrypted packet for MQTT
+    DEBUG_HEAP_BEFORE;
    meshtastic_MeshPacket *p_encrypted = packetPool.allocCopy(*p);
+    DEBUG_HEAP_AFTER("Router::handleReceived", p_encrypted);

    // Take those raw bytes and convert them back into a well structured protobuf we can understand
    auto decodedState = perhapsDecode(p);
@@ -656,7 +673,7 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)

    // call modules here
    // If this could be a spoofed packet, don't let the modules see it.
-    if (!skipHandle && p->from != nodeDB->getNodeNum()) {
+    if (!skipHandle) {
        MeshModule::callModules(*p, src);

 #if !MESHTASTIC_EXCLUDE_MQTT
@@ -670,8 +687,6 @@ void Router::handleReceived(meshtastic_MeshPacket *p, RxSource src)
            !isFromUs(p) && mqtt)
            mqtt->onSend(*p_encrypted, *p, p->channel);
 #endif
-    } else if (p->from == nodeDB->getNodeNum() && !skipHandle) {
-        MeshModule::callModules(*p, src);
    }

    packetPool.release(p_encrypted); // Release the encrypted packet
--- a/src/mesh/STM32WLE5JCInterface.cpp
+++ b/src/mesh/STM32WLE5JCInterface.cpp
@@ -1,13 +1,13 @@
-#include "STM32WLE5JCInterface.h"
 #include "configuration.h"
+
+#ifdef ARCH_STM32WL
+#include "STM32WLE5JCInterface.h"
 #include "error.h"

 #ifndef STM32WLx_MAX_POWER
 #define STM32WLx_MAX_POWER 22
 #endif

-#ifdef ARCH_STM32WL
-
 STM32WLE5JCInterface::STM32WLE5JCInterface(LockingArduinoHal *hal, RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq,
                                           RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy)
    : SX126xInterface(hal, cs, irq, rst, busy)
--- a/src/mesh/STM32WLE5JCInterface.h
+++ b/src/mesh/STM32WLE5JCInterface.h
@@ -1,8 +1,8 @@
 #pragma once

-#include "SX126xInterface.h"
-
 #ifdef ARCH_STM32WL
+#include "SX126xInterface.h"
+#include "rfswitch.h"

 /**
 * Our adapter for STM32WLE5JC radios
@@ -16,13 +16,4 @@ class STM32WLE5JCInterface : public SX126xInterface<STM32WLx>
    virtual bool init() override;
 };

-/* https://wiki.seeedstudio.com/LoRa-E5_STM32WLE5JC_Module/
- * Wio-E5 module ONLY transmits through RFO_HP
- * Receive: PA4=1, PA5=0
- * Transmit(high output power, SMPS mode): PA4=0, PA5=1 */
-static const RADIOLIB_PIN_TYPE rfswitch_pins[5] = {PA4, PA5, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
-
-static const Module::RfSwitchMode_t rfswitch_table[4] = {
-    {STM32WLx::MODE_IDLE, {LOW, LOW}}, {STM32WLx::MODE_RX, {HIGH, LOW}}, {STM32WLx::MODE_TX_HP, {LOW, HIGH}}, END_OF_MODE_TABLE};
-
 #endif // ARCH_STM32WL
--- a/src/mesh/StaticPointerQueue.h
+++ b/src/mesh/StaticPointerQueue.h
@@ -0,0 +1,77 @@
+#pragma once
+
+#include "concurrency/OSThread.h"
+#include "freertosinc.h"
+#include <cassert>
+
+/**
+ * A static circular buffer queue for pointers.
+ * This provides the same interface as PointerQueue but uses a statically allocated
+ * buffer instead of dynamic allocation.
+ */
+template <class T, int MaxElements> class StaticPointerQueue
+{
+    static_assert(MaxElements > 0, "MaxElements must be greater than 0");
+
+    T *buffer[MaxElements];
+    int head = 0;
+    int tail = 0;
+    int count = 0;
+    concurrency::OSThread *reader = nullptr;
+
+  public:
+    StaticPointerQueue()
+    {
+        // Initialize all buffer elements to nullptr to silence warnings and ensure clean state
+        for (int i = 0; i < MaxElements; i++) {
+            buffer[i] = nullptr;
+        }
+    }
+
+    int numFree() const { return MaxElements - count; }
+
+    bool isEmpty() const { return count == 0; }
+
+    int numUsed() const { return count; }
+
+    bool enqueue(T *x, TickType_t maxWait = portMAX_DELAY)
+    {
+        if (count >= MaxElements) {
+            return false; // Queue is full
+        }
+
+        if (reader) {
+            reader->setInterval(0);
+            concurrency::mainDelay.interrupt();
+        }
+
+        buffer[tail] = x;
+        tail = (tail + 1) % MaxElements;
+        count++;
+        return true;
+    }
+
+    bool dequeue(T **p, TickType_t maxWait = portMAX_DELAY)
+    {
+        if (count == 0) {
+            return false; // Queue is empty
+        }
+
+        *p = buffer[head];
+        head = (head + 1) % MaxElements;
+        count--;
+        return true;
+    }
+
+    // returns a ptr or null if the queue was empty
+    T *dequeuePtr(TickType_t maxWait = portMAX_DELAY)
+    {
+        T *p;
+        return dequeue(&p, maxWait) ? p : nullptr;
+    }
+
+    void setReader(concurrency::OSThread *t) { reader = t; }
+
+    // For compatibility with PointerQueue interface
+    int getMaxLen() const { return MaxElements; }
+};
--- a/src/mesh/generated/meshtastic/config.pb.h
+++ b/src/mesh/generated/meshtastic/config.pb.h
@@ -64,7 +64,12 @@ typedef enum _meshtastic_Config_DeviceConfig_Role {
    in areas not already covered by other routers, or to bridge around problematic terrain,
    but should not be given priority over other routers in order to avoid unnecessaraily
    consuming hops. */
-    meshtastic_Config_DeviceConfig_Role_ROUTER_LATE = 11
+    meshtastic_Config_DeviceConfig_Role_ROUTER_LATE = 11,
+    /* Description: Treats packets from or to favorited nodes as ROUTER, and all other packets as CLIENT.
+ Technical Details: Used for stronger attic/roof nodes to distribute messages more widely
+    from weaker, indoor, or less-well-positioned nodes. Recommended for users with multiple nodes
+    where one CLIENT_BASE acts as a more powerful base station, such as an attic/roof node. */
+    meshtastic_Config_DeviceConfig_Role_CLIENT_BASE = 12
 } meshtastic_Config_DeviceConfig_Role;

 /* Defines the device's behavior for how messages are rebroadcast */
@@ -646,8 +651,8 @@ extern "C" {

 /* Helper constants for enums */
 #define _meshtastic_Config_DeviceConfig_Role_MIN meshtastic_Config_DeviceConfig_Role_CLIENT
-#define _meshtastic_Config_DeviceConfig_Role_MAX meshtastic_Config_DeviceConfig_Role_ROUTER_LATE
-#define _meshtastic_Config_DeviceConfig_Role_ARRAYSIZE ((meshtastic_Config_DeviceConfig_Role)(meshtastic_Config_DeviceConfig_Role_ROUTER_LATE+1))
+#define _meshtastic_Config_DeviceConfig_Role_MAX meshtastic_Config_DeviceConfig_Role_CLIENT_BASE
+#define _meshtastic_Config_DeviceConfig_Role_ARRAYSIZE ((meshtastic_Config_DeviceConfig_Role)(meshtastic_Config_DeviceConfig_Role_CLIENT_BASE+1))

 #define _meshtastic_Config_DeviceConfig_RebroadcastMode_MIN meshtastic_Config_DeviceConfig_RebroadcastMode_ALL
 #define _meshtastic_Config_DeviceConfig_RebroadcastMode_MAX meshtastic_Config_DeviceConfig_RebroadcastMode_CORE_PORTNUMS_ONLY
--- a/src/mesh/generated/meshtastic/device_ui.pb.h
+++ b/src/mesh/generated/meshtastic/device_ui.pb.h
@@ -66,6 +66,8 @@ typedef enum _meshtastic_Language {
    meshtastic_Language_UKRAINIAN = 16,
    /* Bulgarian */
    meshtastic_Language_BULGARIAN = 17,
+    /* Czech */
+    meshtastic_Language_CZECH = 18,
    /* Simplified Chinese (experimental) */
    meshtastic_Language_SIMPLIFIED_CHINESE = 30,
    /* Traditional Chinese (experimental) */
--- a/src/mesh/generated/meshtastic/mesh.pb.h
+++ b/src/mesh/generated/meshtastic/mesh.pb.h
@@ -259,8 +259,8 @@ typedef enum _meshtastic_HardwareModel {
    meshtastic_HardwareModel_T_DECK_PRO = 102,
    /* Lilygo TLora Pager */
    meshtastic_HardwareModel_T_LORA_PAGER = 103,
-    /* GAT562 Mesh Trial Tracker */
-    meshtastic_HardwareModel_GAT562_MESH_TRIAL_TRACKER = 104,
+    /* M5Stack Reserved */
+    meshtastic_HardwareModel_M5STACK_RESERVED = 104, /* 0x68 */
    /* RAKwireless WisMesh Tag */
    meshtastic_HardwareModel_WISMESH_TAG = 105,
    /* RAKwireless WisBlock Core RAK3312 https://docs.rakwireless.com/product-categories/wisduo/rak3112-module/overview/ */
@@ -272,6 +272,10 @@ typedef enum _meshtastic_HardwareModel {
    meshtastic_HardwareModel_HELTEC_MESH_SOLAR = 108,
    /* Lilygo T-Echo Lite */
    meshtastic_HardwareModel_T_ECHO_LITE = 109,
+    /* New Heltec LoRA32 with ESP32-S3 CPU */
+    meshtastic_HardwareModel_HELTEC_V4 = 110,
+    /* M5Stack C6L */
+    meshtastic_HardwareModel_M5STACK_C6L = 111,
    /* ------------------------------------------------------------------------------------------------------------------------------------------
 Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.
 ------------------------------------------------------------------------------------------------------------------------------------------ */
--- a/src/mesh/http/ContentHandler.cpp
+++ b/src/mesh/http/ContentHandler.cpp
@@ -292,11 +292,14 @@ JSONArray htmlListDir(const char *dirname, uint8_t levels)
            JSONObject thisFileMap;
            thisFileMap["size"] = new JSONValue((int)file.size());
 #ifdef ARCH_ESP32
-            thisFileMap["name"] = new JSONValue(String(file.path()).substring(1).c_str());
+            String fileName = String(file.path()).substring(1);
+            thisFileMap["name"] = new JSONValue(fileName.c_str());
 #else
-            thisFileMap["name"] = new JSONValue(String(file.name()).substring(1).c_str());
+            String fileName = String(file.name()).substring(1);
+            thisFileMap["name"] = new JSONValue(fileName.c_str());
 #endif
-            if (String(file.name()).substring(1).endsWith(".gz")) {
+            String tempName = String(file.name()).substring(1);
+            if (tempName.endsWith(".gz")) {
 #ifdef ARCH_ESP32
                String modifiedFile = String(file.path()).substring(1);
 #else
@@ -339,9 +342,15 @@ void handleFsBrowseStatic(HTTPRequest *req, HTTPResponse *res)

    JSONValue *value = new JSONValue(jsonObjOuter);

-    res->print(value->Stringify().c_str());
+    std::string jsonString = value->Stringify();
+    res->print(jsonString.c_str());

    delete value;
+
+    // Clean up the fileList to prevent memory leak
+    for (auto *val : fileList) {
+        delete val;
+    }
 }

 void handleFsDeleteStatic(HTTPRequest *req, HTTPResponse *res)
@@ -362,7 +371,8 @@ void handleFsDeleteStatic(HTTPRequest *req, HTTPResponse *res)
            JSONObject jsonObjOuter;
            jsonObjOuter["status"] = new JSONValue("ok");
            JSONValue *value = new JSONValue(jsonObjOuter);
-            res->print(value->Stringify().c_str());
+            std::string jsonString = value->Stringify();
+            res->print(jsonString.c_str());
            delete value;
            return;
        } else {
@@ -371,7 +381,8 @@ void handleFsDeleteStatic(HTTPRequest *req, HTTPResponse *res)
            JSONObject jsonObjOuter;
            jsonObjOuter["status"] = new JSONValue("Error");
            JSONValue *value = new JSONValue(jsonObjOuter);
-            res->print(value->Stringify().c_str());
+            std::string jsonString = value->Stringify();
+            res->print(jsonString.c_str());
            delete value;
            return;
        }
@@ -610,33 +621,35 @@ void handleReport(HTTPRequest *req, HTTPResponse *res)
        res->println("<pre>");
    }

+    // Helper lambda to create JSON array and clean up memory properly
+    auto createJSONArrayFromLog = [](uint32_t *logArray, int count) -> JSONValue * {
+        JSONArray tempArray;
+        for (int i = 0; i < count; i++) {
+            tempArray.push_back(new JSONValue((int)logArray[i]));
+        }
+        JSONValue *result = new JSONValue(tempArray);
+        // Note: Don't delete tempArray elements here - JSONValue now owns them
+        return result;
+    };
+
    // data->airtime->tx_log
-    JSONArray txLogValues;
    uint32_t *logArray;
    logArray = airTime->airtimeReport(TX_LOG);
-    for (int i = 0; i < airTime->getPeriodsToLog(); i++) {
-        txLogValues.push_back(new JSONValue((int)logArray[i]));
-    }
+    JSONValue *txLogJsonValue = createJSONArrayFromLog(logArray, airTime->getPeriodsToLog());

    // data->airtime->rx_log
-    JSONArray rxLogValues;
    logArray = airTime->airtimeReport(RX_LOG);
-    for (int i = 0; i < airTime->getPeriodsToLog(); i++) {
-        rxLogValues.push_back(new JSONValue((int)logArray[i]));
-    }
+    JSONValue *rxLogJsonValue = createJSONArrayFromLog(logArray, airTime->getPeriodsToLog());

    // data->airtime->rx_all_log
-    JSONArray rxAllLogValues;
    logArray = airTime->airtimeReport(RX_ALL_LOG);
-    for (int i = 0; i < airTime->getPeriodsToLog(); i++) {
-        rxAllLogValues.push_back(new JSONValue((int)logArray[i]));
-    }
+    JSONValue *rxAllLogJsonValue = createJSONArrayFromLog(logArray, airTime->getPeriodsToLog());

    // data->airtime
    JSONObject jsonObjAirtime;
-    jsonObjAirtime["tx_log"] = new JSONValue(txLogValues);
-    jsonObjAirtime["rx_log"] = new JSONValue(rxLogValues);
-    jsonObjAirtime["rx_all_log"] = new JSONValue(rxAllLogValues);
+    jsonObjAirtime["tx_log"] = txLogJsonValue;
+    jsonObjAirtime["rx_log"] = rxLogJsonValue;
+    jsonObjAirtime["rx_all_log"] = rxAllLogJsonValue;
    jsonObjAirtime["channel_utilization"] = new JSONValue(airTime->channelUtilizationPercent());
    jsonObjAirtime["utilization_tx"] = new JSONValue(airTime->utilizationTXPercent());
    jsonObjAirtime["seconds_since_boot"] = new JSONValue(int(airTime->getSecondsSinceBoot()));
@@ -646,7 +659,9 @@ void handleReport(HTTPRequest *req, HTTPResponse *res)
    // data->wifi
    JSONObject jsonObjWifi;
    jsonObjWifi["rssi"] = new JSONValue(WiFi.RSSI());
-    jsonObjWifi["ip"] = new JSONValue(WiFi.localIP().toString().c_str());
+    String wifiIPString = WiFi.localIP().toString();
+    std::string wifiIP = wifiIPString.c_str();
+    jsonObjWifi["ip"] = new JSONValue(wifiIP.c_str());

    // data->memory
    JSONObject jsonObjMemory;
@@ -692,7 +707,8 @@ void handleReport(HTTPRequest *req, HTTPResponse *res)
    jsonObjOuter["status"] = new JSONValue("ok");
    // serialize and write it to the stream
    JSONValue *value = new JSONValue(jsonObjOuter);
-    res->print(value->Stringify().c_str());
+    std::string jsonString = value->Stringify();
+    res->print(jsonString.c_str());
    delete value;
 }

@@ -763,8 +779,14 @@ void handleNodes(HTTPRequest *req, HTTPResponse *res)
    jsonObjOuter["status"] = new JSONValue("ok");
    // serialize and write it to the stream
    JSONValue *value = new JSONValue(jsonObjOuter);
-    res->print(value->Stringify().c_str());
+    std::string jsonString = value->Stringify();
+    res->print(jsonString.c_str());
    delete value;
+
+    // Clean up the nodesArray to prevent memory leak
+    for (auto *val : nodesArray) {
+        delete val;
+    }
 }

 /*
@@ -911,7 +933,8 @@ void handleBlinkLED(HTTPRequest *req, HTTPResponse *res)
    JSONObject jsonObjOuter;
    jsonObjOuter["status"] = new JSONValue("ok");
    JSONValue *value = new JSONValue(jsonObjOuter);
-    res->print(value->Stringify().c_str());
+    std::string jsonString = value->Stringify();
+    res->print(jsonString.c_str());
    delete value;
 }

@@ -953,7 +976,13 @@ void handleScanNetworks(HTTPRequest *req, HTTPResponse *res)

    // serialize and write it to the stream
    JSONValue *value = new JSONValue(jsonObjOuter);
-    res->print(value->Stringify().c_str());
+    std::string jsonString = value->Stringify();
+    res->print(jsonString.c_str());
    delete value;
+
+    // Clean up the networkObjs to prevent memory leak
+    for (auto *val : networkObjs) {
+        delete val;
+    }
 }
 #endif
--- a/src/mesh/mesh-pb-constants.h
+++ b/src/mesh/mesh-pb-constants.h
@@ -15,8 +15,27 @@
 // FIXME - max_count is actually 32 but we save/load this as one long string of preencoded MeshPacket bytes - not a big array in
 // RAM #define MAX_RX_TOPHONE (member_size(DeviceState, receive_queue) / member_size(DeviceState, receive_queue[0]))
 #ifndef MAX_RX_TOPHONE
+#if defined(ARCH_ESP32) && !(defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S3))
+#define MAX_RX_TOPHONE 8
+#else
 #define MAX_RX_TOPHONE 32
 #endif
+#endif
+
+/// max number of QueueStatus packets which can be waiting for delivery to phone
+#ifndef MAX_RX_QUEUESTATUS_TOPHONE
+#define MAX_RX_QUEUESTATUS_TOPHONE 2
+#endif
+
+/// max number of MqttClientProxyMessage packets which can be waiting for delivery to phone
+#ifndef MAX_RX_MQTTPROXY_TOPHONE
+#define MAX_RX_MQTTPROXY_TOPHONE 8
+#endif
+
+/// max number of ClientNotification packets which can be waiting for delivery to phone
+#ifndef MAX_RX_NOTIFICATION_TOPHONE
+#define MAX_RX_NOTIFICATION_TOPHONE 2
+#endif

 /// Verify baseline assumption of node size. If it increases, we need to reevaluate
 /// the impact of its memory footprint, notably on MAX_NUM_NODES.
--- a/src/modules/CannedMessageModule.cpp
+++ b/src/modules/CannedMessageModule.cpp
@@ -1432,10 +1432,17 @@ void CannedMessageModule::drawDestinationSelectionScreen(OLEDDisplay *display, O
                meshtastic_NodeInfoLite *node = this->filteredNodes[nodeIndex].node;
                if (node) {
                    if (node->is_favorite) {
+#if defined(M5STACK_UNITC6L)
+                        snprintf(entryText, sizeof(entryText), "* %s", node->user.short_name);
+                    } else {
+                        snprintf(entryText, sizeof(entryText), "%s", node->user.short_name);
+                    }
+#else
                        snprintf(entryText, sizeof(entryText), "* %s", node->user.long_name);
                    } else {
                        snprintf(entryText, sizeof(entryText), "%s", node->user.long_name);
                    }
+#endif
                }
            }
        }
@@ -1606,7 +1613,11 @@ void CannedMessageModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiState *st
        int yOffset = y + 10;
 #else
        display->setFont(FONT_MEDIUM);
+#if defined(M5STACK_UNITC6L)
+        int yOffset = y;
+#else
        int yOffset = y + 10;
+#endif
 #endif

        // --- Delivery Status Message ---
@@ -1631,13 +1642,20 @@ void CannedMessageModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiState *st
        }

        display->drawString(display->getWidth() / 2 + x, yOffset, buffer);
+#if defined(M5STACK_UNITC6L)
+        yOffset += lineCount * FONT_HEIGHT_MEDIUM - 5; // only 1 line gap, no extra padding
+#else
        yOffset += lineCount * FONT_HEIGHT_MEDIUM; // only 1 line gap, no extra padding
-
+#endif
 #ifndef USE_EINK
        // --- SNR + RSSI Compact Line ---
        if (this->ack) {
            display->setFont(FONT_SMALL);
+#if defined(M5STACK_UNITC6L)
+            snprintf(buffer, sizeof(buffer), "SNR: %.1f dB \nRSSI: %d", this->lastRxSnr, this->lastRxRssi);
+#else
            snprintf(buffer, sizeof(buffer), "SNR: %.1f dB   RSSI: %d", this->lastRxSnr, this->lastRxRssi);
+#endif
            display->drawString(display->getWidth() / 2 + x, yOffset, buffer);
        }
 #endif
--- a/src/modules/Modules.cpp
+++ b/src/modules/Modules.cpp
@@ -6,9 +6,13 @@
 #include "input/RotaryEncoderImpl.h"
 #include "input/RotaryEncoderInterruptImpl1.h"
 #include "input/SerialKeyboardImpl.h"
-#include "input/TrackballInterruptImpl1.h"
 #include "input/UpDownInterruptImpl1.h"
+#include "input/i2cButton.h"
 #include "modules/SystemCommandsModule.h"
+#if HAS_TRACKBALL
+#include "input/TrackballInterruptImpl1.h"
+#endif
+
 #if !MESHTASTIC_EXCLUDE_I2C
 #include "input/cardKbI2cImpl.h"
 #endif
@@ -135,13 +139,20 @@ void setupModules()
        traceRouteModule = new TraceRouteModule();
 #endif
 #if !MESHTASTIC_EXCLUDE_NEIGHBORINFO
+        if (moduleConfig.has_neighbor_info && moduleConfig.neighbor_info.enabled) {
            neighborInfoModule = new NeighborInfoModule();
+        }
 #endif
 #if !MESHTASTIC_EXCLUDE_DETECTIONSENSOR
+        if (moduleConfig.has_detection_sensor && moduleConfig.detection_sensor.enabled) {
            detectionSensorModule = new DetectionSensorModule();
+        }
 #endif
 #if !MESHTASTIC_EXCLUDE_ATAK
+        if (IS_ONE_OF(config.device.role, meshtastic_Config_DeviceConfig_Role_TAK,
+                      meshtastic_Config_DeviceConfig_Role_TAK_TRACKER)) {
            atakPluginModule = new AtakPluginModule();
+        }
 #endif
 #if !MESHTASTIC_EXCLUDE_PKI
        keyVerificationModule = new KeyVerificationModule();
@@ -163,7 +174,7 @@ void setupModules()
 #endif
        // Example: Put your module here
        // new ReplyModule();
-#if (HAS_BUTTON || ARCH_PORTDUINO) && !MESHTASTIC_EXCLUDE_INPUTBROKER
+#if (HAS_BUTTON || ARCH_PORTDUINO) && !MESHTASTIC_EXCLUDE_INPUTBROKER && !MESHTASTIC_EXCLUDE_I2C
        if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
            rotaryEncoderInterruptImpl1 = new RotaryEncoderInterruptImpl1();
            if (!rotaryEncoderInterruptImpl1->init()) {
@@ -186,6 +197,9 @@ void setupModules()
 #endif
            cardKbI2cImpl = new CardKbI2cImpl();
            cardKbI2cImpl->init();
+#if defined(M5STACK_UNITC6L)
+            i2cButton = new i2cButtonThread("i2cButtonThread");
+#endif
 #ifdef INPUTBROKER_MATRIX_TYPE
            kbMatrixImpl = new KbMatrixImpl();
            kbMatrixImpl->init();
@@ -207,7 +221,7 @@ void setupModules()
            aLinuxInputImpl->init();
        }
 #endif
-#if !MESHTASTIC_EXCLUDE_INPUTBROKER
+#if !MESHTASTIC_EXCLUDE_INPUTBROKER && HAS_TRACKBALL
        if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
            trackballInterruptImpl1 = new TrackballInterruptImpl1();
            trackballInterruptImpl1->init(TB_DOWN, TB_UP, TB_LEFT, TB_RIGHT, TB_PRESS);
@@ -227,11 +241,14 @@ void setupModules()
 #if HAS_TELEMETRY
        new DeviceTelemetryModule();
 #endif
-// TODO: How to improve this?
 #if HAS_SENSOR && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+        if (moduleConfig.has_telemetry &&
+            (moduleConfig.telemetry.environment_measurement_enabled || moduleConfig.telemetry.environment_screen_enabled)) {
            new EnvironmentTelemetryModule();
+        }
 #if __has_include("Adafruit_PM25AQI.h")
-        if (nodeTelemetrySensorsMap[meshtastic_TelemetrySensorType_PMSA003I].first > 0) {
+        if (moduleConfig.has_telemetry && moduleConfig.telemetry.air_quality_enabled &&
+            nodeTelemetrySensorsMap[meshtastic_TelemetrySensorType_PMSA003I].first > 0) {
            new AirQualityTelemetryModule();
        }
 #endif
@@ -243,12 +260,16 @@ void setupModules()
 #endif
 #endif
 #if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_POWER_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+        if (moduleConfig.has_telemetry &&
+            (moduleConfig.telemetry.power_measurement_enabled || moduleConfig.telemetry.power_screen_enabled)) {
            new PowerTelemetryModule();
+        }
 #endif
 #if (defined(ARCH_ESP32) || defined(ARCH_NRF52) || defined(ARCH_RP2040) || defined(ARCH_STM32WL)) &&                             \
    !defined(CONFIG_IDF_TARGET_ESP32S2) && !defined(CONFIG_IDF_TARGET_ESP32C3)
 #if !MESHTASTIC_EXCLUDE_SERIAL
-        if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
+        if (moduleConfig.has_serial && moduleConfig.serial.enabled &&
+            config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
            new SerialModule();
        }
 #endif
@@ -259,18 +280,25 @@ void setupModules()
        audioModule = new AudioModule();
 #endif
 #if !MESHTASTIC_EXCLUDE_PAXCOUNTER
+        if (moduleConfig.has_paxcounter && moduleConfig.paxcounter.enabled) {
            paxcounterModule = new PaxcounterModule();
+        }
 #endif
 #endif
 #if defined(ARCH_ESP32) || defined(ARCH_PORTDUINO)
 #if !MESHTASTIC_EXCLUDE_STOREFORWARD
+        if (moduleConfig.has_store_forward && moduleConfig.store_forward.enabled) {
            storeForwardModule = new StoreForwardModule();
+        }
 #endif
 #endif
 #if !MESHTASTIC_EXCLUDE_EXTERNALNOTIFICATION
+        if (moduleConfig.has_external_notification && moduleConfig.external_notification.enabled) {
            externalNotificationModule = new ExternalNotificationModule();
+        }
 #endif
 #if !MESHTASTIC_EXCLUDE_RANGETEST && !MESHTASTIC_EXCLUDE_GPS
+        if (moduleConfig.has_range_test && moduleConfig.range_test.enabled)
            new RangeTestModule();
 #endif
    } else {
--- a/src/modules/NodeInfoModule.cpp
+++ b/src/modules/NodeInfoModule.cpp
@@ -12,12 +12,12 @@ NodeInfoModule *nodeInfoModule;

 bool NodeInfoModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshtastic_User *pptr)
 {
-    auto p = *pptr;
-
    if (mp.from == nodeDB->getNodeNum()) {
        LOG_WARN("Ignoring packet supposed to be from our own node: %08x", mp.from);
        return false;
    }
+
+    auto p = *pptr;
    if (p.is_licensed != owner.is_licensed) {
        LOG_WARN("Invalid nodeInfo detected, is_licensed mismatch!");
        return true;
@@ -44,7 +44,10 @@ void NodeInfoModule::sendOurNodeInfo(NodeNum dest, bool wantReplies, uint8_t cha
    if (prevPacketId) // if we wrap around to zero, we'll simply fail to cancel in that rare case (no big deal)
        service->cancelSending(prevPacketId);
    shorterTimeout = _shorterTimeout;
+    DEBUG_HEAP_BEFORE;
    meshtastic_MeshPacket *p = allocReply();
+    DEBUG_HEAP_AFTER("NodeInfoModule::sendOurNodeInfo", p);
+
    if (p) { // Check whether we didn't ignore it
        p->to = dest;
        p->decoded.want_response = (config.device.role != meshtastic_Config_DeviceConfig_Role_TRACKER &&
--- a/src/modules/Telemetry/DeviceTelemetry.cpp
+++ b/src/modules/Telemetry/DeviceTelemetry.cpp
@@ -172,7 +172,10 @@ bool DeviceTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
             telemetry.variant.device_metrics.battery_level, telemetry.variant.device_metrics.voltage,
             telemetry.variant.device_metrics.uptime_seconds);

+    DEBUG_HEAP_BEFORE;
    meshtastic_MeshPacket *p = allocDataProtobuf(telemetry);
+    DEBUG_HEAP_AFTER("DeviceTelemetryModule::sendTelemetry", p);
+
    p->to = dest;
    p->decoded.want_response = false;
    p->priority = meshtastic_MeshPacket_Priority_BACKGROUND;
--- a/src/modules/Telemetry/EnvironmentTelemetry.cpp
+++ b/src/modules/Telemetry/EnvironmentTelemetry.cpp
@@ -198,6 +198,13 @@ T1000xSensor t1000xSensor;
 IndicatorSensor indicatorSensor;
 #endif

+#if __has_include(<Adafruit_TSL2561_U.h>)
+#include "Sensor/TSL2561Sensor.h"
+TSL2561Sensor tsl2561Sensor;
+#else
+NullSensor tsl2561Sensor;
+#endif
+
 #define FAILED_STATE_SENSOR_READ_MULTIPLIER 10
 #define DISPLAY_RECEIVEID_MEASUREMENTS_ON_SCREEN true

@@ -296,6 +303,8 @@ int32_t EnvironmentTelemetryModule::runOnce()
                result = max17048Sensor.runOnce();
            if (cgRadSens.hasSensor())
                result = cgRadSens.runOnce();
+            if (tsl2561Sensor.hasSensor())
+                result = tsl2561Sensor.runOnce();
            if (pct2075Sensor.hasSensor())
                result = pct2075Sensor.runOnce();
                // this only works on the wismesh hub with the solar option. This is not an I2C sensor, so we don't need the
@@ -642,6 +651,10 @@ bool EnvironmentTelemetryModule::getEnvironmentTelemetry(meshtastic_Telemetry *m
        valid = valid && nau7802Sensor.getMetrics(m);
        hasSensor = true;
    }
+    if (tsl2561Sensor.hasSensor()) {
+        valid = valid && tsl2561Sensor.getMetrics(m);
+        hasSensor = true;
+    }
    if (aht10Sensor.hasSensor()) {
        if (!bmp280Sensor.hasSensor() && !bmp3xxSensor.hasSensor()) {
            valid = valid && aht10Sensor.getMetrics(m);
--- a/src/modules/Telemetry/Sensor/TSL2561Sensor.cpp
+++ b/src/modules/Telemetry/Sensor/TSL2561Sensor.cpp
@@ -0,0 +1,41 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && __has_include(<Adafruit_TSL2561_U.h>)
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TSL2561Sensor.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_TSL2561_U.h>
+
+TSL2561Sensor::TSL2561Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_TSL2561, "TSL2561") {}
+
+int32_t TSL2561Sensor::runOnce()
+{
+    LOG_INFO("Init sensor: %s", sensorName);
+    if (!hasSensor()) {
+        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+    }
+
+    status = tsl.begin(nodeTelemetrySensorsMap[sensorType].second);
+
+    return initI2CSensor();
+}
+
+void TSL2561Sensor::setup()
+{
+    tsl.setGain(TSL2561_GAIN_1X);
+    tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_101MS);
+}
+
+bool TSL2561Sensor::getMetrics(meshtastic_Telemetry *measurement)
+{
+    measurement->variant.environment_metrics.has_lux = true;
+    sensors_event_t event;
+    tsl.getEvent(&event);
+    measurement->variant.environment_metrics.lux = event.light;
+    LOG_INFO("Lux: %f", measurement->variant.environment_metrics.lux);
+
+    return true;
+}
+
+#endif
--- a/src/modules/Telemetry/Sensor/TSL2561Sensor.h
+++ b/src/modules/Telemetry/Sensor/TSL2561Sensor.h
@@ -0,0 +1,23 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && __has_include(<Adafruit_TSL2561_U.h>)
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_TSL2561_U.h>
+
+class TSL2561Sensor : public TelemetrySensor
+{
+  private:
+    // The magic number is a sensor id, the actual value doesn't matter
+    Adafruit_TSL2561_Unified tsl = Adafruit_TSL2561_Unified(TSL2561_ADDR_LOW, 12345);
+
+  protected:
+    virtual void setup() override;
+
+  public:
+    TSL2561Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+};
+#endif
--- a/src/modules/esp32/PaxcounterModule.cpp
+++ b/src/modules/esp32/PaxcounterModule.cpp
@@ -90,8 +90,6 @@ int32_t PaxcounterModule::runOnce()
            configuration.blecounter = 1;
            configuration.blescantime = 0; // infinite
            configuration.wificounter = 1;
-            configuration.wifi_channel_map = WIFI_CHANNEL_ALL;
-            configuration.wifi_channel_switch_interval = 50;
            configuration.wifi_rssi_threshold = Default::getConfiguredOrDefault(moduleConfig.paxcounter.wifi_threshold, -80);
            configuration.ble_rssi_threshold = Default::getConfiguredOrDefault(moduleConfig.paxcounter.ble_threshold, -80);
            libpax_update_config(&configuration);
--- a/src/motion/BMX160Sensor.h
+++ b/src/motion/BMX160Sensor.h
@@ -7,7 +7,7 @@

 #if !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C

-#if defined(RAK_4631) && !defined(RAK2560) && __has_include(<Rak_BMX160.h>)
+#if !defined(RAK2560) && __has_include(<Rak_BMX160.h>)

 #include "Fusion/Fusion.h"
 #include <Rak_BMX160.h>
--- a/src/nimble/NimbleBluetooth.cpp
+++ b/src/nimble/NimbleBluetooth.cpp
@@ -11,6 +11,12 @@
 #include <NimBLEDevice.h>
 #include <mutex>

+#ifdef NIMBLE_TWO
+#include "NimBLEAdvertising.h"
+#include "NimBLEExtAdvertising.h"
+#include "PowerStatus.h"
+#endif
+
 NimBLECharacteristic *fromNumCharacteristic;
 NimBLECharacteristic *BatteryCharacteristic;
 NimBLECharacteristic *logRadioCharacteristic;
@@ -56,13 +62,18 @@ class BluetoothPhoneAPI : public PhoneAPI, public concurrency::OSThread
    {
        PhoneAPI::onNowHasData(fromRadioNum);

-        LOG_DEBUG("BLE notify fromNum");
+        uint8_t cc = bleServer->getConnectedCount();
+        LOG_DEBUG("BLE notify fromNum: %d connections: %d", fromRadioNum, cc);

        uint8_t val[4];
        put_le32(val, fromRadioNum);

        fromNumCharacteristic->setValue(val, sizeof(val));
+#ifdef NIMBLE_TWO
+        fromNumCharacteristic->notify(val, sizeof(val), BLE_HS_CONN_HANDLE_NONE);
+#else
        fromNumCharacteristic->notify();
+#endif
    }

    /// Check the current underlying physical link to see if the client is currently connected
@@ -79,7 +90,12 @@ static uint8_t lastToRadio[MAX_TO_FROM_RADIO_SIZE];

 class NimbleBluetoothToRadioCallback : public NimBLECharacteristicCallbacks
 {
+#ifdef NIMBLE_TWO
+    virtual void onWrite(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo)
+#else
    virtual void onWrite(NimBLECharacteristic *pCharacteristic)
+
+#endif
    {
        auto val = pCharacteristic->getValue();

@@ -97,7 +113,11 @@ class NimbleBluetoothToRadioCallback : public NimBLECharacteristicCallbacks

 class NimbleBluetoothFromRadioCallback : public NimBLECharacteristicCallbacks
 {
+#ifdef NIMBLE_TWO
+    virtual void onRead(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo)
+#else
    virtual void onRead(NimBLECharacteristic *pCharacteristic)
+#endif
    {
        int tries = 0;
        bluetoothPhoneAPI->phoneWants = true;
@@ -107,9 +127,7 @@ class NimbleBluetoothFromRadioCallback : public NimBLECharacteristicCallbacks
            tries++;
        }
        std::lock_guard<std::mutex> guard(bluetoothPhoneAPI->nimble_mutex);
-        std::string fromRadioByteString(bluetoothPhoneAPI->fromRadioBytes,
-                                        bluetoothPhoneAPI->fromRadioBytes + bluetoothPhoneAPI->numBytes);
-        pCharacteristic->setValue(fromRadioByteString);
+        pCharacteristic->setValue(bluetoothPhoneAPI->fromRadioBytes, bluetoothPhoneAPI->numBytes);

        if (bluetoothPhoneAPI->numBytes != 0) // if we did send something, queue it up right away to reload
            bluetoothPhoneAPI->setIntervalFromNow(0);
@@ -121,7 +139,17 @@ class NimbleBluetoothFromRadioCallback : public NimBLECharacteristicCallbacks

 class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
 {
+#ifdef NIMBLE_TWO
+  public:
+    NimbleBluetoothServerCallback(NimbleBluetooth *ble) { this->ble = ble; }
+
+  private:
+    NimbleBluetooth *ble;
+
+    virtual uint32_t onPassKeyDisplay()
+#else
    virtual uint32_t onPassKeyRequest()
+#endif
    {
        uint32_t passkey = config.bluetooth.fixed_pin;

@@ -133,7 +161,8 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
        LOG_INFO("*** Enter passkey %d on the peer side ***", passkey);

        powerFSM.trigger(EVENT_BLUETOOTH_PAIR);
-        bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(std::to_string(passkey)));
+        meshtastic::BluetoothStatus newStatus(std::to_string(passkey));
+        bluetoothStatus->updateStatus(&newStatus);

 #if HAS_SCREEN // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
        if (screen) {
@@ -169,11 +198,16 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
        return passkey;
    }

+#ifdef NIMBLE_TWO
+    virtual void onAuthenticationComplete(NimBLEConnInfo &connInfo)
+#else
    virtual void onAuthenticationComplete(ble_gap_conn_desc *desc)
+#endif
    {
        LOG_INFO("BLE authentication complete");

-        bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED));
+        meshtastic::BluetoothStatus newStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED);
+        bluetoothStatus->updateStatus(&newStatus);

        // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
        if (passkeyShowing) {
@@ -183,12 +217,23 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
        }
    }

+#ifdef NIMBLE_TWO
+    virtual void onConnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo)
+    {
+        LOG_INFO("BLE incoming connection %s", connInfo.getAddress().toString().c_str());
+    }
+
+    virtual void onDisconnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo, int reason)
+    {
+        LOG_INFO("BLE disconnect reason: %d", reason);
+#else
    virtual void onDisconnect(NimBLEServer *pServer, ble_gap_conn_desc *desc)
    {
        LOG_INFO("BLE disconnect");
+#endif

-        bluetoothStatus->updateStatus(
-            new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED));
+        meshtastic::BluetoothStatus newStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED);
+        bluetoothStatus->updateStatus(&newStatus);

        if (bluetoothPhoneAPI) {
            std::lock_guard<std::mutex> guard(bluetoothPhoneAPI->nimble_mutex);
@@ -198,6 +243,10 @@ class NimbleBluetoothServerCallback : public NimBLEServerCallbacks
            bluetoothPhoneAPI->numBytes = 0;
            bluetoothPhoneAPI->queue_size = 0;
        }
+#ifdef NIMBLE_TWO
+        // Restart Advertising
+        ble->startAdvertising();
+#endif
    }
 };

@@ -249,7 +298,11 @@ int NimbleBluetooth::getRssi()
    if (bleServer && isConnected()) {
        auto service = bleServer->getServiceByUUID(MESH_SERVICE_UUID);
        uint16_t handle = service->getHandle();
+#ifdef NIMBLE_TWO
+        return NimBLEDevice::getClientByHandle(handle)->getRssi();
+#else
        return NimBLEDevice::getClientByID(handle)->getRssi();
+#endif
    }
    return 0; // FIXME figure out where to source this
 }
@@ -271,8 +324,11 @@ void NimbleBluetooth::setup()
        NimBLEDevice::setSecurityIOCap(BLE_HS_IO_DISPLAY_ONLY);
    }
    bleServer = NimBLEDevice::createServer();
-
+#ifdef NIMBLE_TWO
+    NimbleBluetoothServerCallback *serverCallbacks = new NimbleBluetoothServerCallback(this);
+#else
    NimbleBluetoothServerCallback *serverCallbacks = new NimbleBluetoothServerCallback();
+#endif
    bleServer->setCallbacks(serverCallbacks, true);
    setupService();
    startAdvertising();
@@ -316,8 +372,11 @@ void NimbleBluetooth::setupService()
    NimBLEService *batteryService = bleServer->createService(NimBLEUUID((uint16_t)0x180f)); // 0x180F is the Battery Service
    BatteryCharacteristic = batteryService->createCharacteristic( // 0x2A19 is the Battery Level characteristic)
        (uint16_t)0x2a19, NIMBLE_PROPERTY::READ | NIMBLE_PROPERTY::NOTIFY, 1);
-
+#ifdef NIMBLE_TWO
+    NimBLE2904 *batteryLevelDescriptor = BatteryCharacteristic->create2904();
+#else
    NimBLE2904 *batteryLevelDescriptor = (NimBLE2904 *)BatteryCharacteristic->createDescriptor((uint16_t)0x2904);
+#endif
    batteryLevelDescriptor->setFormat(NimBLE2904::FORMAT_UINT8);
    batteryLevelDescriptor->setNamespace(1);
    batteryLevelDescriptor->setUnit(0x27ad);
@@ -327,11 +386,40 @@ void NimbleBluetooth::setupService()

 void NimbleBluetooth::startAdvertising()
 {
+#ifdef NIMBLE_TWO
+    NimBLEExtAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
+    NimBLEExtAdvertisement legacyAdvertising;
+
+    legacyAdvertising.setLegacyAdvertising(true);
+    legacyAdvertising.setScannable(true);
+    legacyAdvertising.setConnectable(true);
+    legacyAdvertising.setFlags(BLE_HS_ADV_F_DISC_GEN);
+    if (powerStatus->getHasBattery() == 1) {
+        legacyAdvertising.setCompleteServices(NimBLEUUID((uint16_t)0x180f));
+    }
+    legacyAdvertising.setCompleteServices(NimBLEUUID(MESH_SERVICE_UUID));
+    legacyAdvertising.setMinInterval(500);
+    legacyAdvertising.setMaxInterval(1000);
+
+    NimBLEExtAdvertisement legacyScanResponse;
+    legacyScanResponse.setLegacyAdvertising(true);
+    legacyScanResponse.setConnectable(true);
+    legacyScanResponse.setName(getDeviceName());
+
+    if (!pAdvertising->setInstanceData(0, legacyAdvertising)) {
+        LOG_ERROR("BLE failed to set legacyAdvertising");
+    } else if (!pAdvertising->setScanResponseData(0, legacyScanResponse)) {
+        LOG_ERROR("BLE failed to set legacyScanResponse");
+    } else if (!pAdvertising->start(0, 0, 0)) {
+        LOG_ERROR("BLE failed to start legacyAdvertising");
+    }
+#else
    NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
    pAdvertising->reset();
    pAdvertising->addServiceUUID(MESH_SERVICE_UUID);
    pAdvertising->addServiceUUID(NimBLEUUID((uint16_t)0x180f)); // 0x180F is the Battery Service
    pAdvertising->start(0);
+#endif
 }

 /// Given a level between 0-100, update the BLE attribute
@@ -339,7 +427,11 @@ void updateBatteryLevel(uint8_t level)
 {
    if ((config.bluetooth.enabled == true) && bleServer && nimbleBluetooth->isConnected()) {
        BatteryCharacteristic->setValue(&level, 1);
+#ifdef NIMBLE_TWO
+        BatteryCharacteristic->notify(&level, 1, BLE_HS_CONN_HANDLE_NONE);
+#else
        BatteryCharacteristic->notify();
+#endif
    }
 }

@@ -354,7 +446,11 @@ void NimbleBluetooth::sendLog(const uint8_t *logMessage, size_t length)
    if (!bleServer || !isConnected() || length > 512) {
        return;
    }
+#ifdef NIMBLE_TWO
+    logRadioCharacteristic->notify(logMessage, length, BLE_HS_CONN_HANDLE_NONE);
+#else
    logRadioCharacteristic->notify(logMessage, length, true);
+#endif
 }

 void clearNVS()
--- a/src/nimble/NimbleBluetooth.h
+++ b/src/nimble/NimbleBluetooth.h
@@ -12,10 +12,15 @@ class NimbleBluetooth : BluetoothApi
    bool isConnected();
    int getRssi();
    void sendLog(const uint8_t *logMessage, size_t length);
+#if defined(NIMBLE_TWO)
+    void startAdvertising();
+#endif

  private:
    void setupService();
+#if !defined(NIMBLE_TWO)
    void startAdvertising();
+#endif
 };

 void setBluetoothEnable(bool enable);
--- a/src/platform/esp32/architecture.h
+++ b/src/platform/esp32/architecture.h
@@ -194,6 +194,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_T_DECK_PRO
 #elif defined(T_LORA_PAGER)
 #define HW_VENDOR meshtastic_HardwareModel_T_LORA_PAGER
+#elif defined(M5STACK_UNITC6L)
+#define HW_VENDOR meshtastic_HardwareModel_M5STACK_C6L
 #endif

 // -----------------------------------------------------------------------------
--- a/src/platform/esp32/main-esp32.cpp
+++ b/src/platform/esp32/main-esp32.cpp
@@ -169,9 +169,10 @@ void esp32Setup()
 // #define APP_WATCHDOG_SECS 45
 #define APP_WATCHDOG_SECS 90

-#ifdef CONFIG_IDF_TARGET_ESP32C6
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
    esp_task_wdt_config_t *wdt_config = (esp_task_wdt_config_t *)malloc(sizeof(esp_task_wdt_config_t));
    wdt_config->timeout_ms = APP_WATCHDOG_SECS * 1000;
+    wdt_config->idle_core_mask = 1 << 1;
    wdt_config->trigger_panic = true;
    res = esp_task_wdt_init(wdt_config);
    assert(res == ESP_OK);
--- a/src/platform/nrf52/NRF52Bluetooth.cpp
+++ b/src/platform/nrf52/NRF52Bluetooth.cpp
@@ -59,7 +59,8 @@ void onConnect(uint16_t conn_handle)
    LOG_INFO("BLE Connected to %s", central_name);

    // Notify UI (or any other interested firmware components)
-    bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED));
+    meshtastic::BluetoothStatus newStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED);
+    bluetoothStatus->updateStatus(&newStatus);
 }
 /**
 * Callback invoked when a connection is dropped
@@ -74,7 +75,8 @@ void onDisconnect(uint16_t conn_handle, uint8_t reason)
    }

    // Notify UI (or any other interested firmware components)
-    bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED));
+    meshtastic::BluetoothStatus newStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED);
+    bluetoothStatus->updateStatus(&newStatus);
 }
 void onCccd(uint16_t conn_hdl, BLECharacteristic *chr, uint16_t cccd_value)
 {
@@ -326,7 +328,8 @@ bool NRF52Bluetooth::onPairingPasskey(uint16_t conn_handle, uint8_t const passke
        textkey += (char)passkey[i];

    // Notify UI (or other components) of pairing event and passkey
-    bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(textkey));
+    meshtastic::BluetoothStatus newStatus(textkey);
+    bluetoothStatus->updateStatus(&newStatus);

 #if !defined(MESHTASTIC_EXCLUDE_SCREEN) // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
    if (screen) {
@@ -398,12 +401,13 @@ void NRF52Bluetooth::onPairingCompleted(uint16_t conn_handle, uint8_t auth_statu
 {
    if (auth_status == BLE_GAP_SEC_STATUS_SUCCESS) {
        LOG_INFO("BLE pair success");
-        bluetoothStatus->updateStatus(new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED));
+        meshtastic::BluetoothStatus newConnectedStatus(meshtastic::BluetoothStatus::ConnectionState::CONNECTED);
+        bluetoothStatus->updateStatus(&newConnectedStatus);
    } else {
        LOG_INFO("BLE pair failed");
        // Notify UI (or any other interested firmware components)
-        bluetoothStatus->updateStatus(
-            new meshtastic::BluetoothStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED));
+        meshtastic::BluetoothStatus newDisconnectedStatus(meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED);
+        bluetoothStatus->updateStatus(&newDisconnectedStatus);
    }

    // Todo: migrate this display code back into Screen class, and observe bluetoothStatus
--- a/src/sleep.cpp
+++ b/src/sleep.cpp
@@ -431,15 +431,6 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
        gpio_wakeup_enable((gpio_num_t)PMU_IRQ, GPIO_INTR_LOW_LEVEL); // pmu irq
 #endif

-#ifdef T_LORA_PAGER
-    LOG_DEBUG("power down XL9555 io");
-    io.digitalWrite(EXPANDS_DRV_EN, LOW);
-    io.digitalWrite(EXPANDS_AMP_EN, LOW);
-    io.digitalWrite(EXPANDS_KB_EN, LOW);
-    io.digitalWrite(EXPANDS_SD_EN, LOW);
-    io.digitalWrite(EXPANDS_GPIO_EN, LOW);
-#endif
-
    auto res = esp_sleep_enable_gpio_wakeup();
    if (res != ESP_OK) {
        LOG_ERROR("esp_sleep_enable_gpio_wakeup result %d", res);
@@ -480,14 +471,6 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
        gpio_wakeup_disable((gpio_num_t)RF95_IRQ);
    }
 #endif
-#ifdef T_LORA_PAGER
-    LOG_DEBUG("power up XL9555 io");
-    io.digitalWrite(EXPANDS_DRV_EN, HIGH);
-    io.digitalWrite(EXPANDS_AMP_EN, HIGH);
-    io.digitalWrite(EXPANDS_KB_EN, HIGH);
-    io.digitalWrite(EXPANDS_SD_EN, HIGH);
-    io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
-#endif

    esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
    notifyLightSleepEnd.notifyObservers(cause); // Button interrupts are reattached here
--- a/test/test_meshpacket_serializer/ports/test_encrypted.cpp
+++ b/test/test_meshpacket_serializer/ports/test_encrypted.cpp
@@ -1,20 +1,9 @@
 #include "../test_helpers.h"

-// Test encrypted packet serialization
-void test_encrypted_packet_serialization()
+// Helper function for all encrypted packet assertions
+void assert_encrypted_packet(const std::string &json, meshtastic_MeshPacket packet)
 {
-    meshtastic_MeshPacket packet = meshtastic_MeshPacket_init_zero;
-    packet.from = 0x11223344;
-    packet.to = 0x55667788;
-    packet.id = 0x9999;
-    packet.which_payload_variant = meshtastic_MeshPacket_encrypted_tag;
-
-    // Add some dummy encrypted data
-    const char *encrypted_data = "encrypted_payload_data";
-    packet.encrypted.size = strlen(encrypted_data);
-    memcpy(packet.encrypted.bytes, encrypted_data, packet.encrypted.size);
-
-    std::string json = MeshPacketSerializer::JsonSerializeEncrypted(&packet);
+    // Parse and validate JSON
    TEST_ASSERT_TRUE(json.length() > 0);

    JSONValue *root = JSON::Parse(json.c_str());
@@ -23,28 +12,48 @@ void test_encrypted_packet_serialization()

    JSONObject jsonObj = root->AsObject();

-    // Check basic packet fields
+    // Assert basic packet fields
    TEST_ASSERT_TRUE(jsonObj.find("from") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x11223344, (uint32_t)jsonObj["from"]->AsNumber());
+    TEST_ASSERT_EQUAL(packet.from, (uint32_t)jsonObj.at("from")->AsNumber());

    TEST_ASSERT_TRUE(jsonObj.find("to") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x55667788, (uint32_t)jsonObj["to"]->AsNumber());
+    TEST_ASSERT_EQUAL(packet.to, (uint32_t)jsonObj.at("to")->AsNumber());

    TEST_ASSERT_TRUE(jsonObj.find("id") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x9999, (uint32_t)jsonObj["id"]->AsNumber());
+    TEST_ASSERT_EQUAL(packet.id, (uint32_t)jsonObj.at("id")->AsNumber());

-    // Check that it has encrypted data fields (not "payload" but "bytes" and "size")
+    // Assert encrypted data fields
    TEST_ASSERT_TRUE(jsonObj.find("bytes") != jsonObj.end());
-    TEST_ASSERT_TRUE(jsonObj["bytes"]->IsString());
+    TEST_ASSERT_TRUE(jsonObj.at("bytes")->IsString());

    TEST_ASSERT_TRUE(jsonObj.find("size") != jsonObj.end());
-    TEST_ASSERT_EQUAL(22, (int)jsonObj["size"]->AsNumber()); // strlen("encrypted_payload_data") = 22
+    TEST_ASSERT_EQUAL(packet.encrypted.size, (int)jsonObj.at("size")->AsNumber());

-    // The encrypted data should be hex-encoded
+    // Assert hex encoding
    std::string encrypted_hex = jsonObj["bytes"]->AsString();
-    TEST_ASSERT_TRUE(encrypted_hex.length() > 0);
-    // Should be twice the size of the original data (hex encoding)
-    TEST_ASSERT_EQUAL(44, encrypted_hex.length()); // 22 * 2 = 44
+    TEST_ASSERT_EQUAL(packet.encrypted.size * 2, encrypted_hex.length());

    delete root;
 }
+
+// Test encrypted packet serialization
+void test_encrypted_packet_serialization()
+{
+    const char *data = "encrypted_payload_data";
+    meshtastic_MeshPacket packet =
+        create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, reinterpret_cast<const uint8_t *>(data), strlen(data),
+                           meshtastic_MeshPacket_encrypted_tag);
+    std::string json = MeshPacketSerializer::JsonSerializeEncrypted(&packet);
+
+    assert_encrypted_packet(json, packet);
+}
+
+// Test empty encrypted packet
+void test_empty_encrypted_packet()
+{
+    meshtastic_MeshPacket packet =
+        create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, nullptr, 0, meshtastic_MeshPacket_encrypted_tag);
+    std::string json = MeshPacketSerializer::JsonSerializeEncrypted(&packet);
+
+    assert_encrypted_packet(json, packet);
+}
--- a/test/test_meshpacket_serializer/ports/test_text_message.cpp
+++ b/test/test_meshpacket_serializer/ports/test_text_message.cpp
@@ -1,42 +1,105 @@
 #include "../test_helpers.h"
+#include <memory>
+
+// Helper function to test common packet fields and structure
+void verify_text_message_packet_structure(const std::string &json, const char *expected_text)
+{
+    TEST_ASSERT_TRUE(json.length() > 0);
+
+    // Use smart pointer for automatic memory management
+    std::unique_ptr<JSONValue> root(JSON::Parse(json.c_str()));
+    TEST_ASSERT_NOT_NULL(root.get());
+    TEST_ASSERT_TRUE(root->IsObject());
+
+    JSONObject jsonObj = root->AsObject();
+
+    // Check basic packet fields - use helper function to reduce duplication
+    auto check_field = [&](const char *field, uint32_t expected_value) {
+        auto it = jsonObj.find(field);
+        TEST_ASSERT_TRUE(it != jsonObj.end());
+        TEST_ASSERT_EQUAL(expected_value, (uint32_t)it->second->AsNumber());
+    };
+
+    check_field("from", 0x11223344);
+    check_field("to", 0x55667788);
+    check_field("id", 0x9999);
+
+    // Check message type
+    auto type_it = jsonObj.find("type");
+    TEST_ASSERT_TRUE(type_it != jsonObj.end());
+    TEST_ASSERT_EQUAL_STRING("text", type_it->second->AsString().c_str());
+
+    // Check payload
+    auto payload_it = jsonObj.find("payload");
+    TEST_ASSERT_TRUE(payload_it != jsonObj.end());
+    TEST_ASSERT_TRUE(payload_it->second->IsObject());
+
+    JSONObject payload = payload_it->second->AsObject();
+    auto text_it = payload.find("text");
+    TEST_ASSERT_TRUE(text_it != payload.end());
+    TEST_ASSERT_EQUAL_STRING(expected_text, text_it->second->AsString().c_str());
+
+    // No need for manual delete with smart pointer
+}

 // Test TEXT_MESSAGE_APP port
 void test_text_message_serialization()
 {
    const char *test_text = "Hello Meshtastic!";
    meshtastic_MeshPacket packet =
-        create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, (const uint8_t *)test_text, strlen(test_text));
+        create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, reinterpret_cast<const uint8_t *>(test_text), strlen(test_text));

    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
-    TEST_ASSERT_TRUE(json.length() > 0);
-
-    JSONValue *root = JSON::Parse(json.c_str());
-    TEST_ASSERT_NOT_NULL(root);
-    TEST_ASSERT_TRUE(root->IsObject());
-
-    JSONObject jsonObj = root->AsObject();
-
-    // Check basic packet fields
-    TEST_ASSERT_TRUE(jsonObj.find("from") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x11223344, (uint32_t)jsonObj["from"]->AsNumber());
-
-    TEST_ASSERT_TRUE(jsonObj.find("to") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x55667788, (uint32_t)jsonObj["to"]->AsNumber());
-
-    TEST_ASSERT_TRUE(jsonObj.find("id") != jsonObj.end());
-    TEST_ASSERT_EQUAL(0x9999, (uint32_t)jsonObj["id"]->AsNumber());
-
-    // Check message type
-    TEST_ASSERT_TRUE(jsonObj.find("type") != jsonObj.end());
-    TEST_ASSERT_EQUAL_STRING("text", jsonObj["type"]->AsString().c_str());
-
-    // Check payload
-    TEST_ASSERT_TRUE(jsonObj.find("payload") != jsonObj.end());
-    TEST_ASSERT_TRUE(jsonObj["payload"]->IsObject());
-
-    JSONObject payload = jsonObj["payload"]->AsObject();
-    TEST_ASSERT_TRUE(payload.find("text") != payload.end());
-    TEST_ASSERT_EQUAL_STRING("Hello Meshtastic!", payload["text"]->AsString().c_str());
-
-    delete root;
+    verify_text_message_packet_structure(json, test_text);
+}
+
+// Test with nullptr to check robustness
+void test_text_message_serialization_null()
+{
+    meshtastic_MeshPacket packet = create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, nullptr, 0);
+
+    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
+    verify_text_message_packet_structure(json, "");
+}
+
+// Test TEXT_MESSAGE_APP port with very long message (boundary testing)
+void test_text_message_serialization_long_text()
+{
+    // Test with actual message size limits
+    constexpr size_t MAX_MESSAGE_SIZE = 200; // Typical LoRa payload limit
+    std::string long_text(MAX_MESSAGE_SIZE, 'A');
+
+    meshtastic_MeshPacket packet = create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP,
+                                                      reinterpret_cast<const uint8_t *>(long_text.c_str()), long_text.length());
+
+    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
+    verify_text_message_packet_structure(json, long_text.c_str());
+}
+
+// Test with message over size limit (should fail)
+void test_text_message_serialization_oversized()
+{
+    constexpr size_t OVERSIZED_MESSAGE = 250; // Over the limit
+    std::string oversized_text(OVERSIZED_MESSAGE, 'B');
+
+    meshtastic_MeshPacket packet = create_test_packet(
+        meshtastic_PortNum_TEXT_MESSAGE_APP, reinterpret_cast<const uint8_t *>(oversized_text.c_str()), oversized_text.length());
+
+    // Should fail or return empty/error
+    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
+    // Should only verify first 234 characters for oversized messages
+    std::string expected_text = oversized_text.substr(0, 234);
+    verify_text_message_packet_structure(json, expected_text.c_str());
+}
+
+// Add test for malformed UTF-8 sequences
+void test_text_message_serialization_invalid_utf8()
+{
+    const uint8_t invalid_utf8[] = {0xFF, 0xFE, 0xFD, 0x00}; // Invalid UTF-8
+    meshtastic_MeshPacket packet =
+        create_test_packet(meshtastic_PortNum_TEXT_MESSAGE_APP, invalid_utf8, sizeof(invalid_utf8) - 1);
+
+    // Should not crash, may produce replacement characters
+    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
+    TEST_ASSERT_TRUE(json.length() > 0);
 }
--- a/test/test_meshpacket_serializer/test_helpers.h
+++ b/test/test_meshpacket_serializer/test_helpers.h
@@ -11,7 +11,8 @@
 #include <unity.h>

 // Helper function to create a test packet with the given port and payload
-static meshtastic_MeshPacket create_test_packet(meshtastic_PortNum port, const uint8_t *payload, size_t payload_size)
+static meshtastic_MeshPacket create_test_packet(meshtastic_PortNum port, const uint8_t *payload, size_t payload_size,
+                                                int payload_variant = meshtastic_MeshPacket_decoded_tag)
 {
    meshtastic_MeshPacket packet = meshtastic_MeshPacket_init_zero;

@@ -29,8 +30,12 @@ static meshtastic_MeshPacket create_test_packet(meshtastic_PortNum port, const u
    packet.delayed = meshtastic_MeshPacket_Delayed_NO_DELAY;

    // Set decoded variant
-    packet.which_payload_variant = meshtastic_MeshPacket_decoded_tag;
+    packet.which_payload_variant = payload_variant;
    packet.decoded.portnum = port;
+    if (payload_variant == meshtastic_MeshPacket_encrypted_tag && payload) {
+        packet.encrypted.size = payload_size;
+        memcpy(packet.encrypted.bytes, payload, packet.encrypted.size);
+    }
    memcpy(packet.decoded.payload.bytes, payload, payload_size);
    packet.decoded.payload.size = payload_size;
    packet.decoded.want_response = false;
--- a/test/test_meshpacket_serializer/test_serializer.cpp
+++ b/test/test_meshpacket_serializer/test_serializer.cpp
@@ -4,6 +4,10 @@

 // Forward declarations for test functions
 void test_text_message_serialization();
+void test_text_message_serialization_null();
+void test_text_message_serialization_long_text();
+void test_text_message_serialization_oversized();
+void test_text_message_serialization_invalid_utf8();
 void test_position_serialization();
 void test_nodeinfo_serialization();
 void test_waypoint_serialization();
@@ -14,6 +18,7 @@ void test_telemetry_environment_metrics_missing_fields();
 void test_telemetry_environment_metrics_complete_coverage();
 void test_telemetry_environment_metrics_unset_fields();
 void test_encrypted_packet_serialization();
+void test_empty_encrypted_packet();

 void setup()
 {
@@ -21,6 +26,10 @@ void setup()

    // Text message tests
    RUN_TEST(test_text_message_serialization);
+    RUN_TEST(test_text_message_serialization_null);
+    RUN_TEST(test_text_message_serialization_long_text);
+    RUN_TEST(test_text_message_serialization_oversized);
+    RUN_TEST(test_text_message_serialization_invalid_utf8);

    // Position tests
    RUN_TEST(test_position_serialization);
@@ -41,6 +50,7 @@ void setup()

    // Encrypted packet test
    RUN_TEST(test_encrypted_packet_serialization);
+    RUN_TEST(test_empty_encrypted_packet);

    UNITY_END();
 }
--- a/variants/esp32/diy/9m2ibr_aprs_lora_tracker/platformio.ini
+++ b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/platformio.ini
@@ -0,0 +1,12 @@
+; 9M2IBR APRS LoRa Tracker: ESP32-WROOM-32 + EBYTE E22-400M30S
+; https://shopee.com.my/product/1095224/21692283917
+[env:9m2ibr_aprs_lora_tracker]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D PRIVATE_HW
+  -D EBYTE_E22
+  -D EBYTE_E22_900M30S ; Assume Tx power curve is identical to 900M30S as there is no documentation
+  -I variants/esp32/diy/9m2ibr_aprs_lora_tracker
--- a/variants/esp32/diy/9m2ibr_aprs_lora_tracker/variant.h
+++ b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/variant.h
@@ -0,0 +1,74 @@
+/*
+
+  9M2IBR APRS LoRa Tracker: ESP32-WROOM-32 + EBYTE E22-400M30S
+  https://shopee.com.my/product/1095224/21692283917
+
+  Originally developed for LoRa_APRS_iGate and GPIO is similar to
+  https://github.com/richonguzman/LoRa_APRS_iGate/blob/main/variants/ESP32_DIY_1W_LoRa_Mesh_V1_2/board_pinout.h
+
+*/
+
+// OLED (may be different controllers depending on screen size)
+#define I2C_SDA 21
+#define I2C_SCL 22
+#define HAS_SCREEN 1 // Generates randomized BLE pin
+
+// GNSS: Ai-Thinker GP-02 BDS/GNSS module
+#define GPS_RX_PIN 16
+#define GPS_TX_PIN 17
+
+// Button
+#define BUTTON_PIN 15 // Right side button - if not available, set device.button_gpio to 0 from Meshtastic client
+
+// LEDs
+#define LED_PIN 13 // Tx LED
+#define USER_LED 2 // Rx LED
+
+// Buzzer
+#define PIN_BUZZER 33
+
+// Battery sense
+#define BATTERY_PIN 35
+#define ADC_MULTIPLIER 2.01 // 100k + 100k, and add 1% tolerance
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION
+
+// SPI
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+
+// LoRa
+#define LORA_CS 5
+#define LORA_DIO0 26          // a No connect on the SX1262/SX1268 module
+#define LORA_RESET 27         // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 12          // IRQ for SX1262/SX1268
+#define LORA_DIO2 RADIOLIB_NC // BUSY for SX1262/SX1268
+#define LORA_DIO3             // NC, but used as TCXO supply by E22 module
+#define LORA_RXEN 32          // RF switch RX (and E22 LNA) control by ESP32 GPIO
+#define LORA_TXEN 25          // RF switch TX (and E22 PA) control by ESP32 GPIO
+
+// RX/TX for RFM95/SX127x
+#define RF95_RXEN LORA_RXEN
+#define RF95_TXEN LORA_TXEN
+// #define RF95_TCXO <GPIO#>
+
+// common pinouts for SX126X modules
+#define SX126X_CS 5
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_RXEN LORA_RXEN
+#define SX126X_TXEN LORA_TXEN
+
+// Support alternative modules if soldered in place of E22
+#define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+#define USE_SX1268
+#define USE_LLCC68
+
+// E22 TCXO support
+#ifdef EBYTE_E22
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
+#endif
--- a/variants/esp32/heltec_wireless_bridge/platformio.ini
+++ b/variants/esp32/heltec_wireless_bridge/platformio.ini
@@ -1,6 +1,7 @@
 [env:heltec-wireless-bridge]
 ;build_type = debug ; to make it possible to step through our jtag debugger 
 extends = esp32_base
+board_level = extra
 board = heltec_wifi_lora_32
 build_flags = 
  ${esp32_base.build_flags}
--- a/variants/esp32/trackerd/platformio.ini
+++ b/variants/esp32/trackerd/platformio.ini
@@ -1,5 +1,6 @@
 [env:trackerd]
 extends = esp32_base
+board_level = extra
 board = pico32
 board_build.f_flash = 80000000L

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
mverch67	6b05f090dc	reduce PSRAM allocated to lvgl	2025-09-18 10:17:58 +02:00
Manuel	e9b87f7a81	Merge branch 'master' into arduino-esp32-v3.2	2025-09-18 09:48:51 +02:00
Ben Meadors	173b75a1c0	Merge pull request #7526 from DaneEvans/ci/merge-queue	2025-09-17 19:07:00 -05:00
Ben Meadors	b0dae54c97	Merge branch 'master' into ci/merge-queue	2025-09-17 19:06:24 -05:00
Thomas Göttgens	71d84404c6	add WIP for Unit C6L (#7433 ) * add WIP for Unit C6L * adapt to new config structure * Add c6l BLE and screen support (#7991) * Minor c6l fix * Move out of PRIVATE_HW --------- Co-authored-by: Austin <vidplace7@gmail.com> Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz> Co-authored-by: Jason P <Xaositek@users.noreply.github.com> Co-authored-by: Markus <Links2004@users.noreply.github.com>	2025-09-17 22:40:55 +02:00
github-actions[bot]	6f5bdd73cb	Upgrade trunk (#7868 ) Co-authored-by: vidplace7 <1779290+vidplace7@users.noreply.github.com>	2025-09-17 06:09:18 -05:00
github-actions[bot]	cc3c568501	Update protobufs (#8005 ) Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>	2025-09-16 07:20:44 -05:00
renovate[bot]	13ebceb3bc	Update meshtastic/device-ui digest to 9ed5355 (#7987 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-16 06:42:08 -05:00
Ben Meadors	70724bef72	Fix overflow of time value (#7984 ) * Fix overflow of time value * Revert "Fix overflow of time value" This reverts commit `0847969201`. * That got boogered up	2025-09-14 08:12:38 -05:00
Mike Robbins	bf4e2e8e86	Fix GPS gm_mktime memory leak (#7981 )	2025-09-14 06:36:16 -05:00
Ben Meadors	2dc7760508	Scale probe buffer size based on current baud rate (#7975 ) * Scale probe buffer size based on current baud rate * Throttle bad time validation logging and fix time comparison logic * Remove comment * Missed the other instances * Copy pasta	2025-09-14 06:31:17 -05:00
Tom Fifield	d201f6a1ed	Guard bad time warning logs using GPS_DEBUG (#7897 ) In 2.7.7 / 2.7.8 we introduced some new checks for time accuracy. In combination, these result in a spamming of the logs when a bad time is found When the GPS is active, we're calling the GPS thread every 0.2secs. So this log could be printed 4,500 times in a no-lock scenario :) Reserve this experience for developers using GPS_DEBUG. Fixes https://github.com/meshtastic/firmware/issues/7896	2025-09-14 05:00:42 -05:00
Ben Meadors	9977035499	Fix DRAM overflow on old esp32 targets	2025-09-13 20:14:10 -05:00
Ben Meadors	096afa07f8	Tweak maximums	2025-09-13 18:57:00 -05:00
Ben Meadors	760471d620	Fix json report crashes on esp32 (#7978 )	2025-09-13 18:52:46 -05:00
renovate[bot]	6165b4f7a9	Update meshtastic-esp8266-oled-ssd1306 digest to 0cbc26b (#7977 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-13 16:31:56 -05:00
Ben Meadors	ae814b5463	Drop the limit	2025-09-13 12:07:14 -05:00
Ben Meadors	4ee07226e4	Missed	2025-09-13 11:59:58 -05:00
Ben Meadors	78dfb05eeb	Portduino dynamic alloc	2025-09-13 11:59:50 -05:00
Ben Meadors	9211b1bb4b	Static memory pool allocation (#7966 ) * Static memory pool * Initializer * T-Lora Pager: Support LR1121 and SX1280 models (#7956) * T-Lora Pager: Support LR1121 and SX1280 models * Remove ifdefs --------- Co-authored-by: WillyJL <me@willyjl.dev>	2025-09-13 07:01:07 -05:00
Ben Meadors	70ac3601b0	Trunk	2025-09-13 06:57:12 -05:00
Ben Meadors	51acd92a37	Trunk	2025-09-13 06:51:18 -05:00
WillyJL	6d2093650a	T-Lora Pager: Support LR1121 and SX1280 models (#7956 ) * T-Lora Pager: Support LR1121 and SX1280 models * Remove ifdefs	2025-09-13 06:50:53 -05:00
github-actions[bot]	b6dd99917d	Update protobufs (#7973 ) Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>	2025-09-13 06:37:58 -05:00
Ben Meadors	d00b2afe1d	Merge pull request #7964 from compumike/compumike/fix-nimble-bluetooth-memory-leak Fix memory leak in `NimbleBluetooth`: allocate `BluetoothStatus` on stack, not heap	2025-09-12 18:30:28 -05:00
Ben Meadors	e49b07ac8c	Merge pull request #7965 from compumike/compumike/fix-nrf52-bluetooth-memory-leak Fix memory leak in `NRF52Bluetooth`: allocate `BluetoothStatus` on stack, not heap	2025-09-12 18:30:01 -05:00
Ben Meadors	8989de118c	Only queue 2 client notification	2025-09-12 16:07:27 -05:00
Ben Meadors	1914fa0321	Formatting	2025-09-12 15:49:56 -05:00
Manuel	d47d249550	Merge branch 'master' into arduino-esp32-v3.2	2025-09-12 21:15:43 +02:00
Mike Robbins	962e5d513c	Fix memory leak in NextHopRouter: always free packet copy when removing from pending	2025-09-12 13:16:48 -05:00
Ben Meadors	ac4bcd2f56	Cleanup	2025-09-11 18:57:30 -05:00
Ben Meadors	e17c50bb86	Put guards in place around debug heap operations (#7955 ) * Put guards in place around debug heap operations * Add macros to clean up code * Add pointer as well	2025-09-11 07:57:42 -05:00
Tom Fifield	abc0eb196a	Fix build error in rak_wismesh_tap_v2 (#7905 ) In the logs was: "No screen resolution defined in build_flags. Please define DISPLAY_SIZE." set according to similar devices.	2025-09-10 16:28:49 -05:00
Ben Meadors	701028b749	Unify build epoch to add flag in platformio-custom.py (#7917 ) * Unify build_epoch replacement logic in platformio-custom * Missed one	2025-09-11 06:29:50 +10:00
Ben Meadors	108bdf7b0d	Close should set heartbeatReceived = false	2025-09-09 19:11:39 -05:00
Ben Meadors	f267b5f5f7	Exclude trackball if we aren't a trackball device	2025-09-09 11:15:55 -05:00
Ben Meadors	0cd860e300	RangeTest must be enabled	2025-09-09 10:53:18 -05:00
Ben Meadors	31fdb36987	Detection sensor add module only when enabled	2025-09-09 10:46:33 -05:00
Jonathan Bennett	e7741c20e4	Add LOG_HEAP log type, and more heap debug messages (#7937 )	2025-09-09 10:29:07 -05:00
Ben Meadors	d1d16fc25f	Make phone queues use a static pointer queue (#7919 ) * Make phone queues use a static pointer queue * Static init * Compile time constants now * Instead, lets just use the normal pointerqueue for linux native builds and static for IoT platforms * Add missing method * Missing methods * Update variant.h	2025-09-09 08:21:46 -05:00
Ben Meadors	c8afbe68b5	Use char buffer for probeResponse (#7870 ) * Use char buffer for probeResponse * \Update src/gps/GPS.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Revert "\Update src/gps/GPS.cpp" This reverts commit `54d64e19f7`. * Remove string --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2025-09-09 06:34:38 -05:00
Ben Meadors	803e96800e	ATAK module should be disabled for non-TAK roles (#7928 )	2025-09-08 17:21:55 -05:00
renovate[bot]	6c69780615	chore(deps): update meshtastic/device-ui digest to 3677476 (#7925 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-08 16:52:21 -05:00
Manuel	ff28355e16	Merge branch 'master' into arduino-esp32-v3.2	2025-09-08 19:20:15 +02:00
Tom Fifield	d5bb566276	Only log good times. (It's not always a good time then) (#7904 ) Further to https://github.com/meshtastic/firmware/pull/7897 , there was another log line that was triggering indiscriminantly on GPS_INTERVAL_THRESHOLD . Rather than logging a bad time 4000 times, let's just log one good time when it is set.	2025-09-08 05:59:37 -05:00
Manuel	39ff880506	reorganize 8MB partition for MUI devices (#7860 ) * reorganize 8MB partition for MUI devices * update device-install scripts to MUI 8MB partition scheme	2025-09-08 05:56:47 -05:00
renovate[bot]	209157c9dd	chore(deps): update meshtastic/device-ui digest to 233d18e (#7890 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-08 05:55:44 -05:00
Manuel	fb59d68edd	fix uninitialized kbchar (#7889 )	2025-09-08 05:45:11 -05:00
Manuel	351cbd723b	Merge branch 'master' into arduino-esp32-v3.2	2025-09-08 10:41:14 +02:00
github-actions[bot]	7b854fb5ca	Update protobufs (#7903 ) Co-authored-by: fifieldt <1287116+fifieldt@users.noreply.github.com>	2025-09-08 11:12:52 +10:00
Tom Fifield	f8b160595f	Fix merge conflict with test changes (#7902 ) `289f90bdbe` merged a commit that relied on `5b9db81819` but the latter commit was not merged. This does manual wrangling to make sure the same file that exists on develop right now ends up on master.	2025-09-08 11:02:29 +10:00
HarukiToreda	37d14f942e	Reverting changes made by PR #7520 and adjusting ADC (#7878 ) * ADC value adjustment for T114	2025-09-06 06:26:08 -05:00
GUVWAF	4594ae474e	Upon receiving ACK/reply directly, only update next-hop if we’re the sole relayer (#7859 )	2025-09-06 06:23:43 -05:00
Jeremiah K	f26e657577	Fix esptool detection and baud rate issues in Windows batch scripts (#7856 ) - Fix esptool detection to use 'version' subcommand instead of no arguments - Fix device-update.bat to use 115200 bps for flashing, 1200 bps only for reset - Add missing closing quotes in debug messages Replace magic numbers with named constants for better maintainability - Add RESET_BAUD=1200 constant for reset baud rate - Add UPDATE_OFFSET=0x10000 constant for update flash offset - Use constants instead of hardcoded values throughout script Extract magic numbers to constants in shell scripts for consistency - Add FLASH_BAUD, RESET_BAUD, UPDATE_OFFSET constants to device-update.sh - Add RESET_BAUD, FIRMWARE_OFFSET constants to device-install.sh - Replace hardcoded values with named constants throughout - Maintain consistency with batch script improvements Fix Python path quoting and remove unreachable code - Quote Python interpreter paths to handle spaces in paths like 'C:\Program Files\Python\python.exe' - Remove unreachable GOTO statements after EXIT /B commands - Improve robustness when custom Python interpreters are specified Fix esptool detection for pipx installations - Change from checking ERRORLEVEL GEQ 2 to EQU 9009 - Pipx-installed esptool returns exit code 2 when showing help (normal) - Only treat Windows 'command not found' error (9009) as truly not found - Add debug output to show actual exit codes for troubleshooting	2025-09-06 06:20:57 -05:00
GUVWAF	a25bfd264c	Only stop retransmissions when receiving implicit ACK over LoRa (#7872 ) * Only stop retransmissions when receiving implicit ACK over LoRa * trunk fmt	2025-09-05 12:00:23 -05:00
Manuel	ec9f3fa6ea	T-Lora Pager: fix keyboard and improve rotary wheel haptic (#7869 ) * update RotaryEncoder: use interrupts * increase rotary encoder processing interval * remove disabling peripherals during LS	2025-09-05 07:42:51 -05:00
Ben Meadors	8356ad97e4	Cleanup file list	2025-09-05 07:18:29 -05:00
Ben Meadors	bf51c38975	Don't add heap allocations while debugging the heap	2025-09-05 07:18:03 -05:00
Ben Meadors	3df3c876cc	TFTDisplay destructor	2025-09-05 06:22:21 -05:00
Ben Meadors	68f07c5f9d	Board extras	2025-09-04 18:39:02 -05:00
renovate[bot]	7fb96ce2ba	chore(deps): update meshtastic/device-ui digest to a04bc94 (#7857 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 12:53:46 -05:00
renovate[bot]	12687a1073	chore(deps): update actions/github-script action to v8 (#7858 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 12:53:21 -05:00
github-actions[bot]	89de499198	Update protobufs (#7855 ) Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>	2025-09-04 07:32:59 -05:00
Sam Duffield	4881362340	Add support for the Challenger rp2040 lora (#7826 ) * Firmware Built... awaiting parts for test * Add board_level key/value as per suggestion from vidplace7 * Trunk formatting applied	2025-09-04 06:50:25 -05:00
Marco Veneziano	18000ccf21	Fix INA3221 higher current wrong readings (#7607 ) * chore(deps): update meshtastic/device-ui digest to 10f0244 (#7840) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> * use branch of ina3221 library with fixes * using commit hash instead of branch name --------- Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 06:43:44 -05:00
Davide Cavalca	7776ec15b6	Add TSL2561 sensor (#7675 ) * Add TSL2561 sensor * Update platformio.ini Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update src/modules/Telemetry/Sensor/TSL2561Sensor.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update protobufs * Clarify magic number in TSL2561Sensor.h * Use the correct version for Adafruit TSL2561 * Lint fixes * Fix typo --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Tom Fifield <tom@tomfifield.net> Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com>	2025-09-04 06:39:00 -05:00
Daniel.Cao	e4c7fca716	Add RAK WisMesh Tap V2 (ESP32S3) Hardware Variant (#7741 ) * Add initial variant and platformio configuration for RAK WISMESHTAP V2 * Add initial variant and platformio configuration for rak wismesh tap v2 * Remove unnecessary Meshtastic build flags from rak_wismesh_tap_v2 configuration * Enable LGFX button support in rak_wismesh_tap_v2 configuration * Revert "Enable LGFX button support in rak_wismesh_tap_v2 configuration" This reverts commit `2bd2c1a03b`. --------- Co-authored-by: Daniel.Cao <daniel.cao@rakwireless.com>	2025-09-04 06:38:31 -05:00
Chloe Bethel	5b63bd9331	Add RF switch settings for STM32WL variants (#7813 ) * Add RF switch settings for STM32WL variants * Shuffle ifdefs in STM32WLE5JCInterface to make it not get built by other targets	2025-09-04 06:38:05 -05:00
TN	289f90bdbe	merge create_test_packet duplicate usage into a shared function (#7752 )	2025-09-04 06:31:35 -05:00
Jonathan Bennett	09a0df3a1f	Enable bmx160 on native (#7844 )	2025-09-04 06:24:04 -05:00
Andrew Yong	fe329892de	feat: New ESP32 variant 9m2ibr_aprs_lora_tracker (#7828 ) 9M2IBR APRS LoRa Tracker: ESP32-WROOM-32 + EBYTE E22-400M30S https://shopee.com.my/product/1095224/21692283917 Originally developed for LoRa_APRS_iGate and GPIO assignment is similar to https://github.com/richonguzman/LoRa_APRS_iGate/blob/main/variants/ESP32_DIY_1W_LoRa_Mesh_V1_2/board_pinout.h Signed-off-by: Andrew Yong <me@ndoo.sg>	2025-09-04 06:18:28 -05:00
renovate[bot]	2681332678	chore(deps): update actions/setup-node action to v5 (#7848 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 06:17:23 -05:00
renovate[bot]	f994eb185f	chore(deps): update actions/setup-python action to v6 (#7849 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 06:17:11 -05:00
github-actions[bot]	55c23dec13	Upgrade trunk (#7853 ) Co-authored-by: vidplace7 <1779290+vidplace7@users.noreply.github.com>	2025-09-04 06:15:47 -05:00
github-actions[bot]	4dfc062abd	Automated version bumps (#7843 ) Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>	2025-09-04 06:15:24 -05:00
renovate[bot]	0be21d90c1	chore(deps): update actions/stale action to v10 (#7846 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2025-09-04 06:14:22 -05:00
Dane Evans	18d005d7e6	explicit ignores	2025-08-24 08:12:40 +10:00
Dane Evans	8791cd7851	touching to check grandfathering	2025-08-24 08:12:40 +10:00
Dane Evans	590db89643	lint etc	2025-08-24 08:12:40 +10:00
Dane Evans	ea1d968777	update comment	2025-08-24 08:12:40 +10:00
Dane Evans	40d728a14b	kerning in yaml.	2025-08-24 08:12:40 +10:00
Dane Evans	e39b56547e	try vars	2025-08-24 08:12:40 +10:00
Dane Evans	a7f63d5783	add merge queue	2025-08-24 08:12:40 +10:00
Manuel	be1a724ab4	Merge branch 'master' into arduino-esp32-v3.2	2025-08-10 00:11:27 +02:00
mverch67	04f98cf20e	update config; include wifi	2025-08-09 23:49:16 +02:00
mverch67	75a1a41d8c	fix duplicate Syslog classes	2025-08-09 23:43:45 +02:00
mverch67	344efa6675	update device-ui (fix native compilation)	2025-08-08 17:29:02 +02:00
mverch67	e919b3da9c	cleanup	2025-08-06 10:36:04 +02:00
Manuel	155783c782	Merge branch 'master' into arduino-esp32-v3.2	2025-08-06 09:15:44 +02:00
Manuel	76bcd05259	Merge branch 'master' into arduino-esp32-v3.2	2025-08-06 00:09:37 +02:00
mverch67	2d29cbc34c	device-ui: use fast mem for critical draw functions	2025-08-06 00:08:54 +02:00
mverch67	2b77864192	fix attachInterrupt issue	2025-08-05 23:59:37 +02:00
mverch67	10aa4cbfee	don't exclude I2C	2025-08-02 19:07:34 +02:00
mverch67	c24a174490	don't exclude I2C	2025-08-02 19:05:07 +02:00
Manuel	3e5e19efec	Merge branch 'master' into arduino-esp32-v3.2	2025-08-01 21:50:40 +02:00
mverch67	ea2c247024	pr: update device-ui for indicator	2025-08-01 21:45:40 +02:00
mverch67	0b463b6443	update references to fixed io expander	2025-08-01 20:54:57 +02:00
mverch67	7d3c804279	update wdt task	2025-08-01 20:54:15 +02:00
mverch67	1fa7d9f40e	try-fix watchdog trigger	2025-08-01 09:23:01 +02:00
mverch67	aa7abb1d3e	use ng-io-expander 3.3.0	2025-07-30 23:37:09 +02:00
mverch67	effb454af0	comment out assert on watchdog creation	2025-07-30 23:24:31 +02:00
mverch67	27bb42ed3b	git ignore new toolchain tmp files	2025-07-29 22:08:07 +02:00
mverch67	05dc8caed8	platformio updates	2025-07-29 22:07:18 +02:00
mverch67	f3734d407d	remove OTA partition for now until fw size got smaller again	2025-07-29 22:06:21 +02:00
mverch67	bc8e509a8c	fix copy&paste	2025-07-29 22:05:29 +02:00
mverch67	74d0472834	fix merge again	2025-07-29 21:55:34 +02:00
mverch67	5afc43ebc1	try-out WDT timer issue --> needs revert	2025-07-29 21:07:28 +02:00
mverch67	6cdb92b7a8	fix merge error	2025-07-29 21:06:19 +02:00
Thomas Göttgens	0e1872398a	Merge remote-tracking branch 'remotes/origin/master' into arduino-esp32-v3.2 # Conflicts: # arch/esp32/esp32.ini # src/graphics/draw/MenuHandler.cpp # src/modules/Modules.cpp # variants/esp32s3/seeed-sensecap-indicator/platformio.ini	2025-07-29 13:06:13 +02:00
mverch67	f25544c7e0	updated platform references	2025-07-18 03:16:54 +02:00
mverch67	f40b2ba153	temp workaround for nimble compile	2025-07-18 03:14:45 +02:00
mverch67	5033fd1f9f	fix MESHTASTIC_EXCLUDE_I2C compile errors	2025-07-17 12:40:02 +02:00
mverch67	cd170fb011	boot_freq 120MHz	2025-07-16 20:50:25 +02:00
mverch67	fa169a5e43	compare IDF versions	2025-07-14 17:14:21 +02:00
mverch67	c6e2a53a02	exclude not needed modules	2025-07-03 17:08:29 +02:00
Ben Meadors	a286c06271	Merge branch 'master' into arduino-esp32-v3.2	2025-07-02 06:00:44 -05:00
Manuel	dda4b90e34	Merge branch 'master' into arduino-esp32-v3.2	2025-07-01 00:56:56 +02:00
mverch67	cc5dc5046c	indicator: adaptations for arduino-esp32 v3.2	2025-07-01 00:48:11 +02:00