8527 Added support for authentication codes for the VM service (cla: yes)

8528 Redo a fix for cull rect calculation on TransformLayers with a perspective transform (cla: yes)

8530 Tight Paragraph Width (cla: yes)

8531 Add an option to build the GLFW shell on macOS (cla: yes)

8534 Use code cache dir for engine cache (#14704). (cla: yes)

8536 Android Embedding PR28: Report app is active to Flutter in FlutterFragment.onResume() instead of onPostResume() forwarded from Activity. (cla: yes)

8537 Correct nullability for FlutterStandardReader (cla: yes)

8538 Add null check in FLETextInputPlugin (cla: yes)