[kde] [Bug 476443] New: SDDM theme chooser is very laggy, frequently loses images it had already disaplyed

[Reuben]

https://bugs.kde.org/show_bug.cgi?id=476443

            Bug ID: 476443
           Summary: SDDM theme chooser is very laggy, frequently loses
                    images it had already disaplyed
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kde at flavor8.com
  Target Milestone: ---

SUMMARY

STEPS TO REPRODUCE
1. Be on a 15Mb connection
2. Go to settings, startup & shutdown, Login Screen
3. Click Get new SDDM themes
Browse

OBSERVED RESULT

This UI could really use some love. The previews are a) very slow to download
(which might be my current slow connection), but just scrolling around, it
frequently decides to throw away all the preview images it has already rendered
and re-render them.

EXPECTED RESULT

More slickness. It would also be lovely if there were a handful of pro themes
in there, but that's an aside.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 23.10
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10
Kernel Version: 6.5.0-10-generic (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 5700G with Radeon Graphics
Memory: 30.6 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: ASUS: 

ADDITIONAL INFORMATION

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