I think this should mostly be fixed now in Mir 0.26 due to client-side vsync. However as previously mentioned, more work is required specifically to make the Xmir case optimal: https://code.launchpad.net/~vanvugt/mir/client-side-vsync/+merge/314313
** Changed in: xorg-server (Ubuntu) Status: Triaged => Incomplete ** Changed in: xorg-server (Ubuntu) Assignee: Daniel van Vugt (vanvugt) => (unassigned) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1502738 Title: X apps are laggy under Xmir To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1502738/+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