https://bugs.kde.org/show_bug.cgi?id=518055
Bug ID: 518055
Summary: Mouse-selecting certain kinds of text can
unrecoverably delete it
Classification: Applications
Product: kate
Version First Git
Reported In:
Platform: Flatpak
OS: Linux
Status: REPORTED
Keywords: regression
Severity: critical
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
STEPS TO REPRODUCE
1. Open Kate, Ctrl+N to get a new blank document.
2. Enter exactly the following text:
```
This is some introductory text:
> this is a quote
This is not a quote
```
3. Move the mouse pointer to the left of the >, then click and drag to the
right, as if to select the quoted text.
OBSERVED RESULT
The > character disappears! Undoing with Ctrl+Z does not bring back the deleted
character; in fact it makes the situation worse by removing the word "this".
Marking severity as critical as this causes data loss.
EXPECTED RESULT
The text is selected without being modified.
SOFTWARE/OS VERSIONS
Git master version of Kate from KDE's nightly Flatpak repo.
OS and hardware version info, if it's relevant:
Operating System: KDE Linux 2026-03-22
KDE Plasma Version: 6.6.80
KDE Frameworks Version: 6.25.0
Qt Version: 6.10.2
Kernel Version: 6.19.8-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon™ 780M Graphics
Memory: 17 GB of RAM (16.0 GB usable)
Graphics Processor: AMD Radeon 780M Graphics
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