Please also check that you haven't accidentally enabled sticky keys, slow keys or bounce keys:
https://userbase.kde.org/System_Settings/Accessibility#Modifier_Keys ** Package changed: mutter (Ubuntu) => kwin (Ubuntu) -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kwin in Ubuntu. https://bugs.launchpad.net/bugs/2051194 Title: Keyboard hanging when long press SHIFT To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/2051194/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs