In macOS, you cannot natively disable reactions across all applications unless you have a video running. In this example, I will start a zoom meeting with video.
2
Click on the purple widget that pops up on the upper right-hand corner of your screen.
3
Click on the green Reactions icon to disable reactions.
Well done!
Create how-to guides like this in a snap. Get Tango now.
Press space bar to start a drag.
When dragging you can use the arrow keys to move the item around and escape to cancel.
Some screen readers may require you to be in focus mode or to use your pass through key