Sooo, Teams is working with Beta 5 no issues. Outlook on the other hand has stopped working completely. :-/
YoSlick50
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So far, no issues with Teams after using on beta 5. Fingers crossed.
installing beta 5. will report back if the issue improves with the new version.
I just noticed that if I run WiFi and a Wired Ethernet connection, I can get the app to perform normally. Something you might want to give a try