User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0

Steps to reproduce:

From the YouTube homw page, opening any video in a new tab brings up
Playback error o-kM1PZCtPrwEPbE This occurs on desktop and laptop running Firefox 88. It does not occur on other browsers. Issue started after Firefox 88 install

Actual results:

see above

Expected results:

Bew tab should open with selected video

The Bugbug bot thinks this bug should belong to the 'Core::Graphics' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Thanks a lot for reporting the bug. I cannot reproduce it in 88.0.1 and 90.0a1. Could you please help follow the instructions at https://support.mozilla.org/en-US/kb/use-troubleshooting-information-page-fix-firefox and upload the report here?

fixed