diff --git a/.github/actionlint.yaml b/.github/actionlint.yaml
index f7bf95f83..f79e4fdb5 100644
--- a/.github/actionlint.yaml
+++ b/.github/actionlint.yaml
@@ -2,4 +2,5 @@
 self-hosted-runner:
   # Labels of self-hosted runner in array of strings.
   labels:
+    - arctastic
     - test-runner
diff --git a/.github/workflows/build_firmware.yml b/.github/workflows/build_firmware.yml
index c3b70d4c9..28e4ee994 100644
--- a/.github/workflows/build_firmware.yml
+++ b/.github/workflows/build_firmware.yml
@@ -18,7 +18,8 @@ permissions: read-all
 jobs:
   pio-build:
     name: build-${{ inputs.platform }}
-    runs-on: ubuntu-24.04
+    # Use 'arctastic' self-hosted runner pool when building in the main repo
+    runs-on: ${{ github.repository_owner == 'meshtastic' && 'arctastic' || 'ubuntu-latest' }}
     outputs:
       artifact-id: ${{ steps.upload.outputs.artifact-id }}
     steps:
diff --git a/.github/workflows/main_matrix.yml b/.github/workflows/main_matrix.yml
index f48a7ebd0..acd63f28f 100644
--- a/.github/workflows/main_matrix.yml
+++ b/.github/workflows/main_matrix.yml
@@ -280,9 +280,9 @@ jobs:
 
       - name: Generate Release manifest
         run: |
-          jq -n --arg ver "${{ needs.version.outputs.long }}" --arg targets "${{ toJson(needs.setup.outputs.all) }}" '{
+          jq -n --arg ver "${{ needs.version.outputs.long }}" --argjson targets ${{ toJson(needs.setup.outputs.all) }} '{
             "version": $ver,
-            "targets": ($targets | fromjson)
+            "targets": $targets
           }' > firmware-${{ needs.version.outputs.long }}.json
 
       - name: Save Release manifest artifact
diff --git a/bin/exception_decoder.py b/bin/exception_decoder.py
index ec94ce20e..ffe6d3f24 100755
--- a/bin/exception_decoder.py
+++ b/bin/exception_decoder.py
@@ -75,7 +75,7 @@ TOOLS = {
 }
 
 BACKTRACE_REGEX = re.compile(
-    r"(?:\s+(0x40[0-2](?:\d|[a-f]|[A-F]){5}):0x(?:\d|[a-f]|[A-F]){8})\b"
+    r"\b(0x4[0-9a-fA-F]{7,8}):0x[0-9a-fA-F]{8}\b"
 )
 EXCEPTION_REGEX = re.compile("^Exception \\((?P<exc>[0-9]*)\\):$")
 COUNTER_REGEX = re.compile(
@@ -89,7 +89,7 @@ POINTER_REGEX = re.compile(
 STACK_BEGIN = ">>>stack>>>"
 STACK_END = "<<<stack<<<"
 STACK_REGEX = re.compile(
-    "^(?P<off>[0-9a-f]+):\W+(?P<c1>[0-9a-f]+) (?P<c2>[0-9a-f]+) (?P<c3>[0-9a-f]+) (?P<c4>[0-9a-f]+)(\W.*)?$"
+    r"^(?P<off>[0-9a-f]+):\W+(?P<c1>[0-9a-f]+) (?P<c2>[0-9a-f]+) (?P<c3>[0-9a-f]+) (?P<c4>[0-9a-f]+)(\W.*)?$"
 )
 
 StackLine = namedtuple("StackLine", ["offset", "content"])
@@ -223,7 +223,7 @@ class AddressResolver(object):
             if match is None:
                 if last is not None and line.startswith("(inlined by)"):
                     line = line[12:].strip()
-                    self._address_map[last] += "\n  \-> inlined by: " + line
+                    self._address_map[last] += "\n  \\-> inlined by: " + line
                 continue
 
             if match.group("result") == "?? ??:0":
diff --git a/platformio.ini b/platformio.ini
index 218b75443..25997e11d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -207,7 +207,7 @@ lib_deps =
 	# renovate: datasource=custom.pio depName=SparkFun Qwiic Scale NAU7802 packageName=sparkfun/library/SparkFun Qwiic Scale NAU7802 Arduino Library
 	sparkfun/SparkFun Qwiic Scale NAU7802 Arduino Library@1.0.6
 	# renovate: datasource=custom.pio depName=ClosedCube OPT3001 packageName=closedcube/library/ClosedCube OPT3001
-	ClosedCube OPT3001@1.1.2
+	closedcube/ClosedCube OPT3001@1.1.2
 	# renovate: datasource=custom.pio depName=Bosch BSEC2 packageName=boschsensortec/library/bsec2
 	boschsensortec/bsec2@1.10.2610
 	# renovate: datasource=custom.pio depName=Bosch BME68x packageName=boschsensortec/library/BME68x Sensor Library