28801 Enable partial repaint for iOS/Metal (platform-ios, platform-android, cla: yes, platform-fuchsia, embedder)

28809 Share the GrContext between lightweight engines (platform-android, cla: yes)

29036 TextEditingDelta Mac (platform-ios, affects: text input, cla: yes, platform-macos)

29096 Make FlutterEngineGroup support dart entrypoint args (platform-ios, platform-android, cla: yes, waiting for tree to go green, platform-web)

29139 [web] Start support for Skia Gold (cla: yes, waiting for tree to go green, platform-web, needs tests)

29176 Update functions to be consistent with other code. (cla: yes, platform-linux, needs tests)