29868 Release the JNI reference to the FlutterJNI class in GetDisplayRefreshRate (platform-android, cla: yes, needs tests)

29888 [web] Fixing text foreground paint / stroke for HTML web-renderer (cla: yes, waiting for tree to go green, platform-web, needs tests)

29889 Listen for Vsync callback on the UI thread directly (platform-android, cla: yes, waiting for tree to go green, needs tests)

29923 Revert “Listen for Vsync callback on the UI thread directly” (platform-android, cla: yes, waiting for tree to go green, needs tests)

29941 Remove remaining usages of getUnsafe() (cla: yes, waiting for tree to go green, needs tests)

29962 Add a comment in Image.toByteData to limit more encoders (cla: yes, waiting for tree to go green, platform-web, needs tests)