It looks like I was wrong, and the crash is still occurring with libx11-6 2:1.7.0-2ubuntu0.1 in hirsute, for example: https://errors.ubuntu.com/oops/91f6b2d4-1353-11ec-a828-fa163e102db1
The fact that the crash frequency dropped way off after 20.04 could just be explained by: * Most people stick to LTS and so haven't upgraded yet; and * Those who are using 21.04 are more likely to be using Wayland (the new default) which would avoid the bug. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libx11 in Ubuntu. https://bugs.launchpad.net/bugs/1782984 Title: Assertion `!xcb_xlib_threads_sequence_lost' failed with multiple applications To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/1782984/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

