Thank you for your bug report, the issue seems with vlc and similar to what is discussed on https://forum.videolan.org/viewtopic.php?t=144265
do you use some scaling factor on those screens? ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896645 Title: Dual screen window size problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1896645/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs