Sven made a comment about how they are a company that does last minute changes, and that's one I could see them responding to because of the feedback. Shrug. Just a thought.
I smell stat rolling! xD
I could see that, too.
The things that jump to mind are:
1. dice rolling,
2. racial feature tweaks for half-elves and humans,
3. the way spells work for multiclassed characters.
Those seem like the big three community feedback items at the moment.
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Or it could be something completely unrelated to feedback.
I wonder if the last minute crisis was a change to the bonuses that humans and half-elves get along with their floating +2/+1?
I would bet more on QA uncovering something nasty, or they discovered a new way of dealing with things that break something.
If we're hoping, I'm going with my theory.
If we're betting, I'm going with yours.