This seems to be an upstream bug indeed: https://bugzilla.mozilla.org/show_bug.cgi?id=1751363
** Bug watch added: Mozilla Bugzilla #1751363 https://bugzilla.mozilla.org/show_bug.cgi?id=1751363 ** Also affects: firefox via https://bugzilla.mozilla.org/show_bug.cgi?id=1751363 Importance: Unknown Status: Unknown ** Summary changed: - [apt] Firefox 98 installed from apt cannot Play YouTube + [upstream] RDD sandbox prevents HW-accelerated video playback ** Changed in: firefox (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1964547 Title: [upstream] RDD sandbox prevents HW-accelerated video playback Status in Mozilla Firefox: Unknown Status in firefox package in Ubuntu: Confirmed Bug description: • Ubuntu 21.10 (64 bit) • Firefox 98 installed via apt (cookies & cache have been cleared) • Kernel 5.13.0-30-generic x86_64 • Tried on both wayland and X11 session → same result Steps to reproduce: (1) Visit https://www.youtube.com (2) Choose one of the video Actual Result: Video doesn't play What Expected: Video Play normally Previously it was normal on Firefox 97 (apt version) Tried installing Firefox 98 Snap version and it works normally To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1964547/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
