63523 Standardize the nullability of arguments to raw key data constructors. (a: tests, cla: yes, framework, team)

63543 InteractiveViewer scale interpretation improvement (cla: yes, framework, waiting for tree to go green)

63591 1.20.2 Cherrypicks (a: internationalization, cla: yes, engine, f: material design, framework, team, tool, work in progress; do not review)

63592 Hook up soft keyboard “next” and “previous” buttons so that they move the focus by default (cla: yes, framework)

63595 Disables tests failing due to new semantics flag. (a: accessibility, a: tests, cla: yes, framework, waiting for tree to go green)

63598 Add arguments for required parameters. (cla: yes, framework, team)