Merge branch 'main' into 0_15

usermods/audioreactive/audio_reactive.h

@@ -969,6 +969,8 @@ class AudioReactive : public Usermod {
       //DEBUGSR_PRINTLN("Transmitting UDP Mic Packet");
 
       audioSyncPacket transmitData;
+      memset(reinterpret_cast<void *>(&transmitData), 0, sizeof(transmitData)); // make sure that the packet - including "invisible" padding bytes added by the compiler - is fully initialized
+
       strncpy_P(transmitData.header, PSTR(UDP_SYNC_HEADER), 6);
       // transmit samples that were not modified by limitSampleDynamics()
       transmitData.sampleRaw   = (soundAgc) ? rawSampleAgc: sampleRaw;