Inconsistent spacing and missing letters on Linux (CachyOS)

I tried everything i could find to possibly fix it:
- DX12 or Vulcan
- Installing fonts, Wine
- Different Proton versions
- Different launch options
- Anything i found on my own, plus everything suggested by multiple AI models

But no matter what it stays same, missing letters and weird spacing.
Using CachyOS, KDE, Wayland.