They moved from Electron to Microsoft’s Edge WebView2 technology. The big performance gains came from finishing their migration from Angular to React (only needing to load / manage one primary framework), and refactoring that old code with an eye towards performance as they went. Still not native unfortunately.
KazakiLion t1_jdvwucy wrote
Reply to comment by Few-Lemon8186 in Microsoft says its new version of Teams is twice as fast by Puginator
They moved from Electron to Microsoft’s Edge WebView2 technology. The big performance gains came from finishing their migration from Angular to React (only needing to load / manage one primary framework), and refactoring that old code with an eye towards performance as they went. Still not native unfortunately.