mouse-avoidance-mode

mouse-avoidance-mode is a variable defined in `avoid.el'.
Its value is

nil

Documentation:
Activate Mouse Avoidance mode.
See function `mouse-avoidance-mode' for possible values.
Setting this variable directly does not take effect;
use either M-x customize or the function `mouse-avoidance-mode'.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 20.3 of Emacs.