64760 Remove unnecessary downcasts on numeric operations. (cla: yes, framework, waiting for tree to go green)

64776 Fix Android autofill username hint docs (cla: yes, d: api docs, framework, waiting for tree to go green)

64791 Should have a guide for usage (and implementation) of “.of()”-style functions #4155 (cla: yes, framework, waiting for tree to go green)

64795 Add sample code to RotationTransition (cla: yes, d: api docs, d: examples, documentation, framework, waiting for tree to go green)

64813 Remove assert about release mode (cla: yes, framework)

64840 Make Container always clip a decoration if it has a clip edge (cla: yes, f: cupertino, f: material design, framework)