[konsole] [Bug 485967] New: Konsole line numbers render random numbers in margin when scrolling from large to small values.

[Roke Julian Lockhart Beedell]

https://bugs.kde.org/show_bug.cgi?id=485967

            Bug ID: 485967
           Summary: Konsole line numbers render random numbers in margin
                    when scrolling from large to small values.
    Classification: Applications
           Product: konsole
           Version: 24.02.2
          Platform: Fedora RPMs
               URL: https://discuss.kde.org/t/how-to-enable-line-numbers-i
                    n-konsole/14435#always-3
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: emulation
          Assignee: konsole-devel at kde.org
          Reporter: 4wy78uwh at rokejulianlockhart.addy.io
  Target Milestone: ---
             Flags: performance-

Created attachment 168802
  --> https://bugs.kde.org/attachment.cgi?id=168802&action=edit
Depiction of the problem.

SUMMARY
Line numbers in Konsole render with a gap between them and seemingly random
numbers to their right when the user scrolls from a large line number value to
a small one. They disappear when the focus of the scrollbar is returned.

STEPS TO REPRODUCE
1.  Install the Fedora 40 Beta KDE Spin from
https://download.fedoraproject.org/pub/fedora/linux/releases/test/40_Beta/Spins/x86_64/iso/Fedora-KDE-Live-x86_64-40_Beta-1.10.iso
2.  Install konsole-24.02.2-1.fc40.x86_64.rpm from
https://kojipkgs.fedoraproject.org//packages/konsole/24.02.2/1.fc40/x86_64/konsole-24.02.2-1.fc40.x86_64.rpm
3.  Enable "Always" mode, as
https://discuss.kde.org/t/how-to-enable-line-numbers-in-konsole/14435#always-3
describes.

OBSERVED RESULT
The line numbers render with a gap between them and seemingly random numbers to
their right when the user scrolls from a large line number value to a small
one. They disappear when the focus of the scrollbar is returned.

EXPECTED RESULT
This artefact shouldn't be present whilst scrolling.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.8.7-300.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600X 6-Core Processor
Memory: 30.5 GiB of RAM
Graphics Processor: AMD Radeon RX 5700
Manufacturer: ASRock
Product Name: X670E Taichi

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