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KDE in high res screen with Wayland?
(lemmy.ca)
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I'm running a 4k monitor at 150% scaling along a 1080p monitor at 100% scaling. Works fine for me.
What is currently still happening though afaik is that the screen buffer is rendered at a higher resolution at 200% scaling and then downscaled to 150%. Hopefully there will be fractional scaling on a protocol level in the future. But it should be barely noticeable unless you have a direct comparison, since downscaling generally retains quality well.
How are you downscaling after upscaling? There is just the option to up the scaling (which makes everything blurry).
Edit: never mind, got it working. It’s not sufficient to restart KDE or log out. A full restart is required.