Created attachment 139490 [details]
Test Krename

SUMMARY
if i try to start krename from the application launcher, the program doesn't start. instead if I start it from the terminal it works fine

STEPS TO REPRODUCE
1. Try to start krename from GUI

OBSERVED RESULT
the app does not start.

EXPECTED RESULT
I expect the app to start properly

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 21.04
KDE Plasma Version: 5.22.1
KDE Frameworks Version: 5.83.0
Qt Version: 5.15.2
Kernel Version: 5.13.0-051300rc6-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5700U with Radeon Graphics
Memory: 15,0 GiB of RAM
Graphics Processor: AMD RENOIR

ADDITIONAL INFORMATION
Sometimes in the terminal log I show this warning. 
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()

I did a test with the krename --test command, I don't know if it will be useful.