SUMMARY As soon as the FileBrowser plugin enabled Kate crashes in the AppImage distribution: /tmp/.mount_kate-2mnvpnF/AppRun.wrapped: symbol lookup error: /tmp/.mount_kate-2mnvpnF/usr/plugins/ktexteditor/katefilebrowserplugin.so: undefined symbol: _ZN13KBookmarkMenuC1EP16KBookmarkManagerP14KBookmarkOwnerP5QMenu STEPS TO REPRODUCE 1. Download AppImage version, add execution permission, and start. 2. If the plugin is already enabled in your settings Kate crashes as soon as the session is loaded 3. If not enabled, then turn it on at Settings -> Configure Kate -> Plugins -> Filesystem Browser plugin. As soon as you enable it crashes OBSERVED RESULT Crash EXPECTED RESULT Do not crash :) SOFTWARE/OS VERSIONS Linux/KDE Plasma: Ubuntu 30.04.3 LTS OS / AppImage KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 / 5.89.0 Qt Version: 5.12.8 / 5.15.2 ADDITIONAL INFORMATION Maybe this is just a symptom of a more generic packaging problem, because the SQL extension also crashes: Cannot mix incompatible Qt library (5.12.8) with this library (5.15.2)
*** Bug 447511 has been marked as a duplicate of this bug. ***
You can work around the startup crash by disabling the affected plugins by editing the session file ~/.local/share/kate/anonymous.katesession Set the following lines to false: katefilebrowserplugin=false katesqlplugin=false Repeat these steps for all of your sessions: ~/.local/share/kate/sessions/, and do not enable file browser and SQL plugins.
Updated to Ubuntu 22.04, the problem no longer reproducable.
Marking as fixed. This is a packaging issue though
*** This bug has been marked as a duplicate of bug 459682 ***