36768 add an error count field to the Flutter.Error event

36857 Ensure user-thrown errors have ErrorSummary nodes

36867 Add reference to StrutStyle from TextStyle

36955 Extract common PlatformView functionality: Painting and Semantics

37187 use FlutterError in MultiChildRenderObjectWidget

37275 Optimize the transformRect and transformPoint methods in matrix_utils…

37479 Remove bogus code in ContainerParentDataMixin.detach

37497 Extract common PlatformView functionality: Gesture and PointerEvent

37703 PlatformViewLink, handling creation of the PlatformViewSurface and dispose PlatformViewController

37790 Doc: Image.memory only accepts compressed format

37880 reduce mac workload