CupertinoSlidingSegmentedControl: Add an interactive example by @TahaTesser in https://github.com/flutter/flutter/pull/98156

Added a NavgationBar example with nested Navigators by @HansMuller in https://github.com/flutter/flutter/pull/98440

Revert “[performance] Process dirty nodes from top to bottom during paint to avoid unnecessary layer tree walks” by @goderbauer in https://github.com/flutter/flutter/pull/98520

Hide toolbar when selection is out of view by @Renzo-Olivares in https://github.com/flutter/flutter/pull/98152

Add explanation to ChangeNotifier by @chunhtai in https://github.com/flutter/flutter/pull/98295

Dismiss text selection toolbar with ESC by @markusaksli-nc in https://github.com/flutter/flutter/pull/98511