SUMMARY STEPS TO REPRODUCE 1. Create a file `~/%20` 2. Select this file 3. Press the F5 key OBSERVED RESULT Krusader proposes to copy ~/%2520 EXPECTED RESULT Krusader proposes to copy the selected file ~/%20 SOFTWARE/OS VERSIONS Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.12.8 KDE Frameworks Version: 5.55.0 Qt Version: 5.9.7 ADDITIONAL INFORMATION This seems to affect other QT applications; for example, Dolphin also shows the string file:///home/user/%2520
Created attachment 127597 [details] Dolphin shows strange names after dragging a file over a copy of it Dolphin shows strange names after dragging a file over a copy of it. The present bug report is not really about Krusader, but about frameworks-kio.
FTR, https://invent.kde.org/frameworks/kio/-/merge_requests/29
Fixed upstream https://codereview.qt-project.org/c/qt/qtbase/+/306324, FTR the fix should be in Qt 5.15.1. It's not feasible to fix this one occurrence here, when toDisplayString() is used all over the place; the proper fix is to wait for your distro to update to Qt 5.15.1.