I was trying to play YouTube videos in Safari v14.0 (16610. in Big Sur beta, but it doesn't work, playing window is black and after click into it I get a message that an error occured. Does someone has solution for this one?


Okay guys, I solve the problem. It was causing AdBlock extension for Safari, I uninstalled it and installed AdGuard and now it works like a charm.

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    It‘s a beta version, so please make the developer of the plugin aware of the issue. – nohillside Aug 17 at 5:50
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    That's actually something Google has recently changed & all the ad blockers are rushing to catch up. – Tetsujin Aug 17 at 6:39
  • Oh, I didn't know that. Thanks for a new info :) – Dominik Matis Aug 17 at 6:41
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    I'm getting this error on many youtube videos, but I don't have a single extension installed in Safari. Big Sur beta (20A5364e). – Rob N Sep 20 at 17:39

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