Microsoft Teams users have been able to utilize meetings apps in pre-, in-, and post-meeting experiences on desktop since November. The capability is now being made available on mobile devices too.
Build 22623.730 (KB5017385)
Windows 11 Preview in Beta Channel comes with Tablet-optimized taskbar
windows 11 insider preview
Windows 11 Dev Channel finally brings Task Manager with a right click, and more
windows 11 promo