Just came across the Errata Lists for the first run of the core three books. It’s considerable. I ran into a couple last night, one on power that’s missing part of a sentence otherwise the miss effect is better than the hit effect and a few issues with rounding problems on monster descriptions where they rounded up on the Bloodied value.
I wonder when the second run with these added in is going to come out? And as a abtract thought I wonder how they deal with layout if something changes significantly enough to move data around on a page? Anything that references that page number in other documents then becomes wrong. Are they going to do a (See Players Handbook Revision 1 Page 239, Revision 2 Page 240, Revision 3 Page 242)? I’ve never noticed how they may have done that in the past but then I never really bothered to look at the errata. 
