There is clearly a customer demand for Teams on Linux. My blogs on Teams on Linux get a fair amount of traffic. Just a few days ago, via user voice, Microsoft confirmed they are working on a native Teams client for Linux.
https://microsoftteams.uservoice.com/forums/555103-public/suggestions/16911565-linux-client
No other detailed were shared, but with Ignite not far away I hope we see some updates then.
Great news for the Linux community, who have previously been limited to the browser client. I wonder if this will also serve Chromebook users with a native client option.