Possible workaround/solution for the px64 percussion strip problem

Many people have reported problems with the px64 percussion strip not saving settings. Basically, when you reopened a project with px64 on drums, the drums would often have a vicious atttack and be too loud.
 
Here is a possible workaround:
 
Try automating (create an automation envelope for) the "shaper attack" parameter of the px64. This seems to have the same effect as opening the interface and readjusting (which also fixed the problem, but was a hassle).
 
Worked for me.