83947 Fixed TimeOfDay.hourOfPeriod for the noon and midnight cases. (framework, f: material design, cla: yes, waiting for tree to go green)

83959 Remove “unnecessary” imports. (a: tests, team, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

84017 Mixed null safety in dev/devicelab (team, f: material design, a: accessibility, cla: yes, waiting for tree to go green, a: null-safety)

84064 migrate localization to null safety (team, f: material design, cla: yes, f: cupertino, a: null-safety, tech-debt)

84268 Only trigger AppBar scrolledUnder state for vertical scrolling and not horizontal (framework, f: material design, cla: yes, waiting for tree to go green)