it's likely that backwards compatibility will go out the window. I seriously doubt that would happen. at the very least they would have it setup like the rsr to png backward compatability. >all the hacks (like MATs) will become a lot more difficult, if not impossible. P6 added material collections (mc6) and the system is backward compatble to read MAT pz2 files (renamed to mc6). They apply to props and figures without reguard to parenting. P6SR2 included a re-written library code base. perhaps these are signs of things to come. I doubt a complete re-write will fall into our laps but changes do appear to be trickeling in.

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