63466 [MaterialSlice] adds property to customize slice color (cla: yes, f: material design, framework, waiting for tree to go green)

63683 Tab bar improvements (cla: yes, f: material design, framework)

63808 New benchmark: bench_mouse_region_mixed_grid_hover (cla: yes, team)

63813 Lazily compute PointerEvent’s transformed positions (cla: yes, f: gestures, framework)

63834 Treat hover events as normal pointer events, and bring them back to Listener (a: tests, cla: yes, f: material design, framework, team, waiting for tree to go green)

63910 Improve Stepper controlsBuilder docs (cla: yes, d: api docs, documentation, f: material design, framework, waiting for tree to go green)