19905 Updated ColorMatrix to ColorFilter (cla: yes)

19929 Implement iOS [UITextInput firstRectForRange:] with markedText (cla: yes, platform-ios)

19998  Added GLFW error-callback into FlutterEmbedderGLFW (cla: yes)

20160 iOS Text Editing Infinite Loop (cla: yes, platform-ios)

20254 Add support of cross-building the engine for ARM64 Linux Host (cla: yes)

20309 Exposing ColorFilter to ImageFilter conversion and Compose() (cla: yes, waiting for tree to go green)

20330 Minor documentation details/breadcrumbs (cla: yes, platform-android)