Following the dynamics of another thread (focused on Windows), for improving the visibility of the mouse pointer for use in tutorials, I thought I would open a similar one for Linux users.
On Linux Ubuntu Studio 20.10 (Plasma-desktop), I enabled certain desktop effects that provide interesting functionality for visibility.
Here is a sample:
Animation to follow the mouse pointer
Rings around the pointer (red for left click, blue for right-click) Configurable colors.