12.2.7 "ceramic-cup" (2021-09-23)

material-experimental

Commit	Description
	mdc-menu: use primary text color for menu icons (#23608)
	mdc-snack-bar: add harness support for getting label and actions (#23585)
	mdc-slider: append class to indicate short value indicator text (#23566)

material

Commit	Description
	core: avoid running sanity checks on some test environments (#23374)
	select: error if selected value is accessed too early (#23378)
	tabs: picking up mat-tab-label from child tabs (#23560)
	list: fix action-list focus state for high contrast firefox (#23584)

cdk

Commit	Description
	overlay: avoid unnecessary timeouts when disposing of overlay (#23474)
	layout: breakpoint observer not firing callback on chrome in specific cases (#23571)

Special Thanks

Benjamin Kindle, Jeremy Elbourn, Kristiyan Kostadinov, Marco Marche, Miles Malerba, Wagner Maciel and Zach Arend