Hello Processing team!
The current Processing icon gets lost in a sea of other blue (common) icons.
This is my taskbar and blue (I changed one) is very common:
I have multiple versions of Processing and can hover over the icon in the taskbar and see version (changed the name in properties); a different color would be a nice option.
I may submit on GitHub as an enhancement request at a future date.
I found a solution and can change the icons (layers in the ico file) with GIMP:
Reference:
https://www.gimp.org/
:)