Same problems as Andreaspf8585 JPV1, except disabling auto graphics card switching didn't work for me and I'm still experiencing the same issues. When screen sharing, my screen share will freeze for others after a while (but my video will not). When I restart screen sharing, others see a black screen. When I rejoin the meeting, I can screen share again but only for a short time before the same problems happen.
This only happened after upgrading to MacOS 11.1, Zoom screen sharing was working properly in MacOS 11.0.1. MBP 16" 2019. Currently debating whether to use Google Meet for screen sharing and/or downgrade to MacOS Catalina.
https://developer.apple.com/forums/thread/666693?answerId=653518022#653518022
https://developer.apple.com/forums/thread/666693?answerId=649278022#649278022
kaiyuanneo
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Update to my problem of screen sharing freezing for participants, then becoming black screen when i restart screen sharing:
Toggling the Advanced Screen Sharing setting in Zoom "Use TCP connection for screen sharing" seems to have prevented screen share freeze for me for now. Will continue to leave screen sharing on and see if I can go a day without screen share freeze with this setting on.