86736 Text Editing Model Refactor (framework, f: material design, cla: yes, f: cupertino, work in progress; do not review)

86796 [EditableText] preserve selection/composition range on unfocus  (framework, f: material design, cla: yes, waiting for tree to go green)

86821 Add tag support for executing reduced test sets (a: tests, team, tool, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green, tech-debt)

86844 [gen_l10n] to handle arbitrary DateFormat patterns (waiting for customer response, tool, cla: yes)

86986 Migration text selection manipulation. (framework, cla: yes)

87022 [tools] Add Xcode version to non-verbose Flutter doctor (tool, cla: yes, waiting for tree to go green)