No, MS Teams for Linux launched in 2019 and unlaunched a few months ago. All we get is a flakey PWA now on Linux.

https://techcommunity.microsoft.com/t5/microsoft-teams-blog/...

https://techcommunity.microsoft.com/t5/microsoft-teams/end-o...

Bing Chat is also crashing in Firefox on Linux when I go to use it, just the tab itself crashes :c

Microsoft is coming full circle with their most recent embrace, extend, extinguish cycle it seems. Just gotta dodge, duck and dive around any attempts they make to get us dependent on their ecosystem...