Merge upstream/dev into develop

examples/simple_room_server/MyMesh.h

@@ -27,11 +27,11 @@
 /* ------------------------------ Config -------------------------------- */
 
 #ifndef FIRMWARE_BUILD_DATE
-  #define FIRMWARE_BUILD_DATE   "20 Mar 2026"
+  #define FIRMWARE_BUILD_DATE   "19 Apr 2026"
 #endif
 
 #ifndef FIRMWARE_VERSION
-  #define FIRMWARE_VERSION   "v1.14.1"
+  #define FIRMWARE_VERSION   "v1.15.0"
 #endif
 
 #ifndef LORA_FREQ