https://bugs.kde.org/show_bug.cgi?id=401155
--- Comment #2 from tom888 ---
(In reply to Nate Graham from comment #1)
> Does the issue reproduce with a new user account? Does it reproduce when
> using KWin as your window manager?
I don't know the relationship between kwin and plasma
https://bugs.kde.org/show_bug.cgi?id=401155
Bug ID: 401155
Summary: ctrl-t does not work, no effection, in all kde
environment, with dolphin, chrome & terminal
Product: konsole
Version: 18.04.0
Platform: Debian testing