65049 Fixed the sliver appbar to have a fixed traversal order (a: accessibility, cla: yes, f: material design, framework, waiting for tree to go green)

65488 Revert “Nnbd widgets” (a: accessibility, cla: yes, f: cupertino, framework)

a: internationalization - 20 pull request(s)

60632 Add locales for fil(filipino) and gsw(swiss german) to locale list, Fixes #60631 (a: internationalization, cla: yes, team, tool, waiting for tree to go green)

61564 ✒ Spell Check All .md Files Related to Flutter 💙 (a: internationalization, cla: yes, d: examples, team, tool, waiting for tree to go green)