21711 Perform selection check in DeleteSelected (affects: text input, cla: yes, platform-linux, platform-windows)

21722 Extract textrange (affects: text input, cla: yes, platform-linux, platform-windows)

21854 Migrate TextInputPlugin API to TextRange (affects: text input, cla: yes, platform-linux, platform-windows)

21874 Add TextRange::Contains tests spanning base/extent (affects: text input, cla: yes, platform-linux, platform-windows)

21897 Add multi-step input method support for Linux (affects: desktop, affects: text input, cla: yes, needs tests, platform-linux)

23795 Notify Win32FlutterWindow of cursor updates (affects: desktop, affects: text input, cla: yes, platform-windows)