So, let's say I click at {0, 500} and you guess what would happen? Absolutely nothing. So is this a bug or a feature? Should I disable something or enable something else? Maybe this has nothing to do with KDE after all, I'm using Fedora 27 + KDE Plasma 5.11.3. I disabled all screen edge actions for some reason, but it didn't affect this behavior. Please help me.

kwriteconfig --file kwinrc --group Windows --key ElectricBorderPushbackPixels 2
reboot

how can I possibly know that? well, AS IS and stuff

I really don't understand - a screenshot could help - but please note: "User-submitted information on installing, configuring, and using KDE. Please don't post questions here."