Support keyboard selection in SelectabledRegion by @chunhtai in https://github.com/flutter/flutter/pull/112584

[New Feature]Support mouse wheel event on the scrollbar widget by @xu-baolin in https://github.com/flutter/flutter/pull/109659

Adds support for the Material Badge widget, BadgeTheme, BadgeThemeData by @HansMuller in https://github.com/flutter/flutter/pull/114560

Revert “Adds support for the Material Badge widget, BadgeTheme, BadgeThemeData” by @HansMuller in https://github.com/flutter/flutter/pull/114819

Delegate TestWindow.updateSemantics to the wrapped SingletonFlutterWindow by @jason-simmons in https://github.com/flutter/flutter/pull/114733