Channels, direct messages and threads. Invite clients into shared channels without giving them your whole workspace.
Desktop apps for Mac and Windows. Or use it in the browser, no install needed.
Mac: open the downloaded file and drag Teamaangan into Applications. Open it from Applications; macOS says it "could not verify" the app, so click Done (not Move to Bin). Then open System Settings → Privacy & Security, scroll to Security, click Open Anyway next to Teamaangan, confirm with your password and click Open. You only do this once.
Windows: run the downloaded file. If Windows says "Windows protected your PC", click More info → Run anyway.
These warnings appear because the beta is not yet registered with Apple and Microsoft. When a new version is out, the app tells you; install it over the old one and your messages stay.