At the moment it is just some kind of PSSM and PCF.
It looks also quite well in motion and is very light/shadow bleeding free wink
The only disadvantage at the moment is the speed or to be more precise, there are just sometimes some moments where the ref time goes up a lot, while most of the time it runs quite okay...
I will may look into ESM somewhen later, but for now, this seems to be the most stable way to blur the shadows.