“This Week in Plasma” brings a brand new HDR calibration wizard, an improved configuration dialog for the comics widget, textual headers for for audio devices in the volume widget, a new animation for when you empty the trash can, and much, much more.
https://blogs.kde.org/2025/05/17/this-week-in-plasma-hdr-calibration-wizard/
Pretty sure I was having the same issue, which is why I disabled sleep a while ago iirc
So that still isn’t fixed huh?