volkov added a comment.
Beams look ugly when their width is >= 4 pixels. The idea is to draw them with the same width regardless of DPI. Another option is to not set Qt::FlatCap for thick pens, but I prefer this one. REPOSITORY R111 KSysguard Library REVISION DETAIL https://phabricator.kde.org/D20445 To: volkov Cc: davidedmundson, zzag, plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart