80373 Reland “Remove a dynamic that is no longer necessary (and the TODO for it) (#80294)” (team, framework, cla: yes, waiting for tree to go green)

80380 Revert “Added MaterialState.scrolledUnder and support in AppBar.backgroundColor” (framework, f: material design, cla: yes)

80395 Re-land “Added MaterialState.scrolledUnder and support in AppBar.backgroundColor” (framework, f: material design, cla: yes, waiting for tree to go green)

80420 Update PopupMenuButton widget (framework, f: material design, cla: yes, waiting for tree to go green)

80453 Fix FlexibleSpaceBar Opacity when AppBar.toolbarHeight > ktoolbarHeight (framework, f: material design, cla: yes, a: quality, waiting for tree to go green)