- Support for ESP 3.0 by akellai.
- restartTimer() now uses variable sMicrosAtLastStopTimer to keep track of uncounted ticks between stopTimer() and restartTimer().
- Removed functions addTicksToInternalTickCounter() and addMicrosToInternalTickCounter(), which were added in 4.1.0.
- Version 2.2.0 of TinyIR with new TinyReceiverDecode() function to be used as drop in for IrReceiver.decode().
- Support of RC6A.