When you go to the YouTube community tab, click on a link like [https://www.youtube.com/post/UgkxFmoD_WE2uSNmIHw1Njhj36JVQMnzrWzz https://www.youtube.com/post/UgkxFmoD_WE2uSNmIHw1Njhj36JVQMnzrWzz ] this example I get a banner that this page slows down firefox and after a few minutes the tab crashes. I tried disabling extensions, but it didn't help me. I came across this on two different PCs on Windows. ff 131.0 x64 win10 x64 1809