No, it doesn't support PI/PIF scanning. Furthermore, I probably detected an error in this firmware. First thing I've done after flashing was checking if Quality Scan option works. I was quite dissapointed when CDSpeed announced an error during test initialization. After that I changed the disc in the drive and noticed that burner doesn't spin down (I waited and waited but it didn't stop). Therefore I decided to reflash to older fw (2.18) which made the drive working OK.
After another flash to 2.1A I haven't noticed any unusual behavior until first burning. When the process was finished spin down problem showed up again. The only cure was to restart PC (again, drive works fine until fisrt burning).
I must admit that I didn't have time to perform some additional tests so I can't claim that it's a 100% firmware problem. As soon as I get some more objective results I will post information here.