39215 CupertinoActionSheet dark mode & fidelity (cla: yes, f: cupertino, framework)

39225 Manul engine roll to d4932ba71 (cla: yes, engine)

39252 Adds relayout option to CustomMultiChildLayout. (cla: yes, customer: wednesday, framework)

39263 Change SliverGeometry.maxScrollObstructionExtent for RenderSliverFloatingPersistentHeader to match docs (cla: yes, framework)

39264 Add profile support on macOS (cla: yes, tool)

39274 Use output dir instead of specific paths in assemble rules (cla: yes, tool)

39280 [flutter_tool] Use a timeout for xcode showBuildSettings (cla: yes, tool)