Added iconSize parameter in ButtonStyle by @QuncCccccc in https://github.com/flutter/flutter/pull/108268

Explain the “patching” protocol in KeyMessageManager.keyMessageHandler and add an example by @dkwingsmt in https://github.com/flutter/flutter/pull/105280

Dispose scaffold drawers. by @polina-c in https://github.com/flutter/flutter/pull/108234

Dispose _TextSpanEditingController. by @polina-c in https://github.com/flutter/flutter/pull/108228

Dispose painters by @polina-c in https://github.com/flutter/flutter/pull/108233

Dispose widgets to stop leaks. by @polina-c in https://github.com/flutter/flutter/pull/108193