Thanks for the report Артём, and sorry for the lack of feedback. Did the latest update fix this, by any chance? If not, would you mind filing an upstream bug report at https://bugzilla.mozilla.org/enter_bug.cgi#h=dupes%7CFirefox and sharing the link to it here?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1843948 Title: Artifacts appear when I watch video in Youtube To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1843948/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
