https://bugs.kde.org/show_bug.cgi?id=506244
Bug ID: 506244
Summary: [Wayland] Fractional scaling: blurry and distorted
font rendering
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 182708
--> https://bugs.kde.org/attachment.cgi?id=182708&action=edit
Font rendering at native scaling, with no fractional scaling on any displays
SUMMARY
On Wayland session in multi-display setup, setting fractional scaling on one or
more displays results in fonts appearing distorted in proportions.
Additionally, fonts rendered on a display with 100% scaling look blurred.
STEPS TO REPRODUCE
1. Set only one display's scaling to any value other than 100% (125% in my
case).
2. Restart plasmashell.
OBSERVED RESULT
Fonts rendered on both displays have changed proportions compared to native
scaling. Fonts rendered on display using 100% scaling look blurry, as if they
were mapped onto a 1080p display from 1536x864 resolution resulting from
scaling the other 1080p display to 125%.
EXPECTED RESULT
After restarting plasmashell, fonts on the display with native scaling look the
same as before the restart and have the same (original) proportions on all
displays.
SOFTWARE/OS VERSIONS
Operating System: EndeavourOS
KDE Plasma Version: 6.4.1
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.3-arch1-1 (64-bit)
ADDITIONAL INFORMATION
Attached screenshots show how the fonts are rendered before and after changing
the settings on Plasma desktop (random desktop filename and app launcher). Both
displays have 1920x1080 resolution.
Could be a duplicate of https://bugs.kde.org/show_bug.cgi?id=501715 and maybe
is related to https://bugs.kde.org/show_bug.cgi?id=446674
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