STEPS TO REPRODUCE 1. Launch yakuake 2. Press F2 twice to show then hide it. Slide effect works as expected 3. From now, the slide effect is broken when you press F2 OBSERVED RESULT Slide effect does not run EXPECTED RESULT Slide effect runs like it does in the first toggling and on X. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
> 2. Press F2 twice to show then hide it. Slide effect works as expected Sorry, I meant F12 (by default)
Confirmed, no idea whether it's a bug in yakuake or kwayland-integration or kwin though.
*** This bug has been marked as a duplicate of bug 447456 ***