lomapur

Sure, I updated yesterday (problem still persists): $ rpm -qR blanket /usr/bin/python3 rpmlib(CompressedFileNames)

Ok, fixed - you have to use Python 2 for this script to work.

Nope, zoom factor 1.50. When zooming (hoover over launcher) the pixelation goes away for the time it's zoomed (for all launchers), then goes back to normal size and being pixelated....

@psifidotos I would love to, but I was distrohopping a bit and I for the love of all that's saint couldn't get Panel installed under Plasma 5.8, so for the...

Pixelation was showing on launchers when hovering over plasmoids added to panel.

Reinstalled (Thanks for tip!) and there is no problem like that when placed in normal panel (at least I didn't stumble upon one), I deleted normal plasmoids from Panel (Now...

Yes, re-adding plasmoids makes problem reappear. Settings:  Hovering over Folder (Hovering over Lokalize or other last-before-Folder launcher/task icon have the same effect); it went back to normal though, couldn't...

After deleting folder problem is still here:  1. Changing the plasma theme does not make any difference unfortunately. 2. Intel HD 3000 / i915 3. No artifacts for 64px!

Seems like it, yes.

1. No issue with zoom factor 1. 2. Panel height change does not make any difference. ALSO: changing zoom factor solves issue (so pixelation happens only for 48px/1.50 zoom)