I'm experiencing the same issue - no hardware acceleration. I have an askubuntu.com question open with plenty of information and logs. https://askubuntu.com/questions/1029205/video-playback-performance-issue-ubuntu-18-04
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1752938 Title: Upgrading Ubuntu 18.04 disables GPU hardware acceleration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1752938/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp