[konsole] [Bug 511419] New: Regression: Mouse scrolling in man or less works only partially

Guido Schmidt bugzilla_noreply at kde.org
Fri Oct 31 11:06:51 GMT 2025


https://bugs.kde.org/show_bug.cgi?id=511419

            Bug ID: 511419
           Summary: Regression: Mouse scrolling in man or less works only
                    partially
    Classification: Applications
           Product: konsole
      Version First 25.08.2
       Reported In:
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: guido at sanguepreto.de
  Target Milestone: ---

SUMMARY
Scrolling with the mouse wheel in man or less doesn't work.

STEPS TO REPRODUCE
man
1. Open a man-page.
2. Move the scroll wheel of your mouse.
3. man exits.
4. The characters "OB" are printed on the terminal.
If you scroll using the arrow keys first, the mouse wheel might work a little
as expected, but will eventually cause 3 and 4.

less
1. Open a file with less.
2. Move the mouse wheel to scroll down.
3. The bell symbol shows up but no scrolling of the content happens.
4. Hit space or one of the arrow keys.
5. Now the mouse wheel works as expected.

EXPECTED RESULT
Moving the mouse wheel makes the content scroll all the time.

SOFTWARE/OS VERSIONS
Konsole: 25.08.2
KDE Frameworks: 6.19.0
Qt: 6.10.0
openSUSE Tumbleweed (Xcb)
Build ABI: x86_64-little_endian-lp64
Kernel: linux 6.17.5-1-default

ADDITIONAL INFORMATION
Im pretty sure that this used to work in an earlier version. However, I don't
know which one.
I also tried scrolling with the mouse in vi: This causes no problems.

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