https://osxdaily.com/2012/02/10/disable-launchpad-fade-transition-effect-in-mac-os-x/
Disable Launchpad Fade Transition Effect in Mac OS X Lion
Feb 10, 2012 - Disable Launchpad Fade Transition Effect in Mac OS X Lion
mac os xfade transitiondisablelaunchpadeffect
https://www.adobe.com/creativecloud/video/hub/features/why-use-a-luma-fade.html
Luma fade transition effect in film editing - Adobe
One way to make your videos look professionally done is to use a luma fade transition.
fade transitionin filmlumaeffectediting