Description of problem: Wayland fractional scaling is perfect, but for X11 apps running under XWayland, like Electron and Java apps (basically 80 % of my daily needs), the scaling is awful. It just scales up the output and the window is insanely blurry. I just can't use those apps. I'm currently running Ubuntu in my laptop because, along with Manjaro and other distros, they provide a patch to Mutter and GNOME control center to allow fractional scaling in X11. https://github.com/puxplaying/mutter-x11-scaling and https://github.com/puxplaying/gnome-control-center-x11-scaling respectively. Most of HiDPI users can't switch to Fedora just because of that. I know the performance is worse, but just let people decide if they want to use this feature. With a minimally suitable machine that performance loss isn't noticed by anyone in 2021. Open for discussion! Steps to Reproduce: 1. Open control center 2. Click screens 3. Change the scaling? Actual results: Fractional scaling is not available in control center. Expected results: Fractional scaling is available in control center. Additional info:
Hello?
There are no plans to introduce "fractional scaling" in the X11 session; there is no way to do that that doesn't have severe side effects, and it would result in an extra maintenance burden, which should not be taken lightly, as most of the development team are primarily focusing on the Wayland session. Anyone is free to maintain such a patched version in for example a copr however.
Interesting. Then, are there plans to support fractional scaling for X11 apps in XWayland in a better way? They render blurry (I think it's just a 100% program scaled up to match the size of the Wayland apps). This is the main reason to not use Wayland for a lot of people, as Electron and Java apps are our main needs. Thanks in advance.
As for Xwayland, it's a complicated problems, and there are currently no solutions that doesn't involve choosing between either making HiDPI able X11 applications blurry while making non-HiDPI able X11 applications usable, and making HiDPI able X11 applications non-blurry while non-HiDPI able X11 applications being completely unusable.
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