The replacement will be available "in coming months" and the app will be maintained until December (and probably work until 2023), so the two will likely overla

The replacement will be available "in coming months" and the app will be maintained until December (and probably work until 2023), so the two will likely overlap while a simpler Web app is already available today. Where do you see a problem? I use MS Teams (Preview) on Linux. It's good enough for chat, doco sharing and other stuff it does. I don't give a crap about galleries, reactions and whatnot.