SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. activate 'cube' effect 2. press meta+c 3. cube doesn't open OBSERVED RESULT cube doesn't open when press meta+c EXPECTED RESULT cube effect opens when press meta+c SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: X Arch Linux (available in About System) KDE Plasma Version: 6.0 KDE Frameworks Version: Qt Version: 6.0? ADDITIONAL INFORMATION https://youtu.be/zT4fZ8gMI38?si=6XqCG5AlF6FH6OC7 - YT video finding Arch Linux bugs...
As stated in #482971, you'll need to install qt6-quick3d. *** This bug has been marked as a duplicate of bug 482971 ***