R31 of the PICASO-GFX2 PmmCs has been released as of 11th October 2012. All the PmmC files are enclosed in the "PmmC R31 Release Bundle.zip". You can also find individual PmmCs from the relevant product page's "Downloads" tab.

Please also check the Release notes attached here.

Note: For 4D Workshop Rev 3.3.16 or below, Replace the Compiler with the latest version before using R31 PmmC File. Find the details in the Release Notes.