Meta Shift Tab doesn't work in KDE Leap 42.1

When assigning Meta + Shift + Tab hotkey in the global hotkeys menu, it doesn’t do anything in Leap 42.1, while in 13.2 it worked just fine.

Specifically I’m trying to get Meta + Shift + Tab to work with going to previous desktop, while Meta + Tab goes to the next desktop.

Actually Meta + Shift + {Key} doesn’t do anything but Meta + {Key} does