82293 Better hover handling for Scrollbar (framework, f: material design, f: scrolling, cla: yes, a: quality, waiting for tree to go green, a: desktop, a: annoyance, a: mouse)

82764 Fix scrollbar drag gestures for reversed scrollables (framework, f: scrolling, cla: yes, f: cupertino, a: quality, waiting for tree to go green)

82843 refactor: Add MaterialStateMixin (severe: new feature, framework, f: material design, cla: yes, d: api docs, d: examples, a: quality, waiting for tree to go green, documentation)

82885 Re-apply “Gesture recognizer cleanup” (framework, cla: yes, d: api docs, a: quality, f: gestures, documentation)