Unfortunately, marco 1.26.0 still has the issue either with the Ambian- MATE theme or with the Yaru-MATE-light theme. I retested with the latest .iso live image of Ubuntu MATE 21.10 (Impish Indri) Daily Build.
** Changed in: marco (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1898295 Title: One-pixel intervals between windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/marco/+bug/1898295/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs