User turns on the respective tracking toggle in the “Enhance Tracing” feature

User reproduces the UI jank in their app

User looks at the new set of Timeline events, which should now have
additional child events for widgets built, render objects laid out,
and/or render objects painted

Added new “More debugging options” feature to allow for disabling
rendering layers for Clip, Opacity, and Physical Shapes.

The expected workflow is as such:

User is investigating UI jank in the performance page

User notices a lot of janky frames and suspects it could be due to
excessive use of clipping, opacity, or physical shapes.

User turns off the respective render layer toggle in the “More
debugging options” feature

User reproduces the UI jank in their app