diff --git a/protobufs b/protobufs
index 015202aea..254fbdac6 160000
--- a/protobufs
+++ b/protobufs
@@ -1 +1 @@
-Subproject commit 015202aead5f6807d63537c58f4cb6525f19e56f
+Subproject commit 254fbdac6acb7796bbee19fd5b84f5f1e216a9b7
diff --git a/src/mesh/generated/meshtastic/mesh.pb.h b/src/mesh/generated/meshtastic/mesh.pb.h
index cbc8b00b4..75f3370da 100644
--- a/src/mesh/generated/meshtastic/mesh.pb.h
+++ b/src/mesh/generated/meshtastic/mesh.pb.h
@@ -894,6 +894,8 @@ typedef struct _meshtastic_DeviceMetadata {
     bool hasRemoteHardware;
     /* Has PKC capabilities */
     bool hasPKC;
+    /* Device firmware environment string */
+    char pio_env[40];
 } meshtastic_DeviceMetadata;
 
 /* Packets from the radio to the phone will appear on the fromRadio characteristic.
@@ -1125,7 +1127,7 @@ extern "C" {
 #define meshtastic_Compressed_init_default       {_meshtastic_PortNum_MIN, {0, {0}}}
 #define meshtastic_NeighborInfo_init_default     {0, 0, 0, 0, {meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default, meshtastic_Neighbor_init_default}}
 #define meshtastic_Neighbor_init_default         {0, 0, 0, 0}
-#define meshtastic_DeviceMetadata_init_default   {"", 0, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_Role_MIN, 0, _meshtastic_HardwareModel_MIN, 0, 0}
+#define meshtastic_DeviceMetadata_init_default   {"", 0, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_Role_MIN, 0, _meshtastic_HardwareModel_MIN, 0, 0, ""}
 #define meshtastic_Heartbeat_init_default        {0}
 #define meshtastic_NodeRemoteHardwarePin_init_default {0, false, meshtastic_RemoteHardwarePin_init_default}
 #define meshtastic_ChunkedPayload_init_default   {0, 0, 0, {0, {0}}}
@@ -1150,7 +1152,7 @@ extern "C" {
 #define meshtastic_Compressed_init_zero          {_meshtastic_PortNum_MIN, {0, {0}}}
 #define meshtastic_NeighborInfo_init_zero        {0, 0, 0, 0, {meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero, meshtastic_Neighbor_init_zero}}
 #define meshtastic_Neighbor_init_zero            {0, 0, 0, 0}
-#define meshtastic_DeviceMetadata_init_zero      {"", 0, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_Role_MIN, 0, _meshtastic_HardwareModel_MIN, 0, 0}
+#define meshtastic_DeviceMetadata_init_zero      {"", 0, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_Role_MIN, 0, _meshtastic_HardwareModel_MIN, 0, 0, ""}
 #define meshtastic_Heartbeat_init_zero           {0}
 #define meshtastic_NodeRemoteHardwarePin_init_zero {0, false, meshtastic_RemoteHardwarePin_init_zero}
 #define meshtastic_ChunkedPayload_init_zero      {0, 0, 0, {0, {0}}}
@@ -1283,6 +1285,7 @@ extern "C" {
 #define meshtastic_DeviceMetadata_hw_model_tag   9
 #define meshtastic_DeviceMetadata_hasRemoteHardware_tag 10
 #define meshtastic_DeviceMetadata_hasPKC_tag     11
+#define meshtastic_DeviceMetadata_pio_env_tag    12
 #define meshtastic_FromRadio_id_tag              1
 #define meshtastic_FromRadio_packet_tag          2
 #define meshtastic_FromRadio_my_info_tag         3
@@ -1568,7 +1571,8 @@ X(a, STATIC,   SINGULAR, UENUM,    role,              7) \
 X(a, STATIC,   SINGULAR, UINT32,   position_flags,    8) \
 X(a, STATIC,   SINGULAR, UENUM,    hw_model,          9) \
 X(a, STATIC,   SINGULAR, BOOL,     hasRemoteHardware,  10) \
-X(a, STATIC,   SINGULAR, BOOL,     hasPKC,           11)
+X(a, STATIC,   SINGULAR, BOOL,     hasPKC,           11) \
+X(a, STATIC,   SINGULAR, STRING,   pio_env,          12)
 #define meshtastic_DeviceMetadata_CALLBACK NULL
 #define meshtastic_DeviceMetadata_DEFAULT NULL
 
@@ -1667,7 +1671,7 @@ extern const pb_msgdesc_t meshtastic_ChunkedPayloadResponse_msg;
 #define meshtastic_ClientNotification_size       415
 #define meshtastic_Compressed_size               243
 #define meshtastic_Data_size                     273
-#define meshtastic_DeviceMetadata_size           48
+#define meshtastic_DeviceMetadata_size           89
 #define meshtastic_FileInfo_size                 236
 #define meshtastic_FromRadio_size                510
 #define meshtastic_Heartbeat_size                0