68804 fix simple dialog introducing additional node for semantics label (cla: yes, f: material design, framework)

68807 Make Material/CupertinoLocalizations non-nullable (cla: yes, f: cupertino, f: material design, framework)

68812 Handle backspace in text fields (cla: yes, framework)

68814 Ignore “unused” analysis for dart:ui imports for web-only API. (cla: yes, framework, platform-web, waiting for tree to go green)

68831 [Material] Add support for customizing active + disabled state color for selection controls. (cla: yes, f: material design, framework)

68841 Revert “Fix a multiple pointers bug” (cla: yes, framework)