[kde] [Bug 470268] New: Non-KDE applications don't scale to correct size unless the scale setting in Display Configuration is changed and then changed back.

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=470268

            Bug ID: 470268
           Summary: Non-KDE applications don't scale to correct size
                    unless the scale setting in Display Configuration is
                    changed and then changed back.
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: semperverus at gmail.com
  Target Milestone: ---

SUMMARY
If working with mixed scale environments, currently applications like Firefox
and Discord do not scale correctly. They scale at 100% instead of the higher
value, making content very small on a HiDPI display.


STEPS TO REPRODUCE
1.  Set up a 200% scale monitor in a mixed scale environment (at least one 100%
scale monitor on either side works)
2. Log into KDE Plasma Wayland session
3. Start a non-kde application such as Firefox or Discord

OBSERVED RESULT
Application is scaled at 100%

EXPECTED RESULT
Application is scaled at 200%

SOFTWARE/OS VERSIONS 
OS: Arch Linux x86_64 
Kernel: 6.3.4-zen1-1-zen 

KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.15.9

ADDITIONAL INFORMATION
Shell: bash 5.1.16 
Resolution: 3840x2160 
WM: kwin 
Theme: Breeze Light [Plasma], Breeze [GTK2/3] 
Icons: [Plasma], breeze-dark [GTK2/3] 
Terminal: konsole 
CPU: AMD Ryzen 9 5900X (24) @ 3.700GHz 
GPU: AMD ATI Radeon RX 5600 OEM/5600 XT / 5700/5700 XT 
Memory: 3514MiB / 64211MiB

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