Thanks! Unfortunately I'm not seeing anything really suspicious in the journal.
Could you try to downgrade to 68.0.2+build1 (you'll need to fetch the packages manually from https://launchpad.net/ubuntu/+source/firefox/68.0.2+build1-0ubuntu0.18.04.1) and see if that version is affected too? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1844739 Title: Latest Firefox update freezing my system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1844739/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs