SUMMARY KWrite does not remember the option View → Code Folding → Show Folding Markers. I can turn it off, close and restart KWrite, and the option is enabled again. I've tested this with a text document, nothing else. SOFTWARE/OS VERSIONS KWrite version: 24.02.0 Operating System: Arch Linux KDE Plasma Version: 6.0.2 KDE Frameworks Version: 6.0.0 Qt Version: 6.6.2 Kernel Version: 6.7.9-arch1-1 (64-bit) Graphics Platform: Wayland ADDITIONAL INFORMATION
That is a temporary per view setting. It is not persisted. Change it in the settings dialog, Appearance -> Border if you want it to persist.