Add variable font axes to TextStyle by @jason-simmons in https://github.com/flutter/flutter/pull/100978

[framework] elide ImageFilter layers when animation is stopped by @jonahwilliams in https://github.com/flutter/flutter/pull/101731

removed obsolete timelineArgumentsIndicatingLandmarkEvent by @gaaclarke in https://github.com/flutter/flutter/pull/101382

[framework] use ImageFilter for zoom page transition by @jonahwilliams in https://github.com/flutter/flutter/pull/101786

Increased WriteBuffers starting capacity to 64 bytes. by @gaaclarke in https://github.com/flutter/flutter/pull/101790

Support trackpad gestures in framework by @moffatman in https://github.com/flutter/flutter/pull/89944