McPain added a comment.
UPD: I found monitor combination that makes KScreen works: AOC(hdmi)-iiyama(D-SUB) If I swap monitors, KSCeen doesn't work (noticed it past friday evening) REPOSITORY R110 KScreen Library REVISION DETAIL https://phabricator.kde.org/D9506 To: McPain, sebas, drosca Cc: zerg, anthonyfieroni, ngraham, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart