On Windows 10 and 11 LTSC, that will happen on August 15, 2025. As for macOS, the new Teams will stop working on macOS 11 on November 15, 2024, and on macOS 12 on March 15, 2025.

End of life for Windows 10 and older Android versions requires an update for Teams Rooms using these operating systems.

The older Teams app used the Electron framework, also used by communication apps like Slack and Discord. Though Electron and WebView2 are based on the Chromium browser engine, each Electron app ...