SUMMARY Just my opinion, but I think that holding down the key should do this action exactly once. Woo wooing in and out makes the desktop feel like a toy. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Neon 5.23 User Edition (available in About System) KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.89.0 Qt Version: 5.15.3
There's a lot of actions that look funny if you keyrepeat/spam them; this isn't really a bug in any of them, desktop grid included.