Microsoft has recently updated the Microsoft 365 Roadmap to indicate that Teams users on the Windows and Mac desktop clients will finally be able to configure a preferred download directory soon.
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