Teams 2.0 in Windows is moving away from Electron but still using web based technology. It's not going to use Chromium to render, it'll use Edge Webview2 that comes with the OS.
https://techcommunity.microsoft.com/t5/microsoft-teams/teams...
https://techcommunity.microsoft.com/t5/microsoft-teams/teams...
> Evergreen distribution. Rely on an up-to-date version of Chromium with regular platform updates and security patches.