I don't have problems with switching Windows using alt-tab. Plus, you can customize it to meet your need. Please refer to the attached screenshot.
** Attachment added: "keyboard_shortcuts.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915486/+attachment/5463307/+files/keyboard_shortcuts.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1915486 Title: Alt-Tab not functional anymore To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915486/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs