81235 Migrate to ChannelBuffers.push (a: tests, team, framework, f: material design, a: accessibility, cla: yes, f: cupertino, d: examples, waiting for tree to go green)

81240 Add benchmark for number of GCs in animated GIF (a: tests, team, framework, cla: yes, waiting for tree to go green)

81316 Revert “Refactor text editing test APIs (Mark III)” (a: tests, team, framework, cla: yes, waiting for tree to go green)

81497 Update documentation for scrollUntilVisible and friends. (a: tests, framework, cla: yes, waiting for tree to go green)

81565 Link to correct extended integration test driver file in integration_test README (a: tests, framework, cla: yes, t: flutter driver, waiting for tree to go green)