Clipping Mask (release) delay

Lightroom's adjustable clipping mask release delay - beta feature for Windows.

When using Clipping Mask feature on Lightroom via keyboard and mouse, the clipping mask is triggered by the pressing down ALT key. Exiting clipping mask is triggered by the "KeyUp" event when releasing ALT key.

As Loupedeck consoles utilize SDK/API functions, ALT-press does not apply. Therefor an automated release-delay has been added and current value is 350ms. This means, that when clipping function is stopped, it takes 0,35 seconds to return to normal view mode.