Several classes are having talents changed in 2.1, but apparently no-one's going to be getting free respecs. From Drysc to you:
Free respecs are only given in cases where talent positions actually move and would break a build, and not in cases where talents are simply altered as far as the benefit they provide.
So if I read this right, it means you will only ever get a free respec if they move a talent, not if they change it, no matter how radically. Yes,
Improved Sap Dirty Tricks, I'm looking at you -- I'm sure there are a lot of Rogues, myself included, who had seven points in subtlety that will no longer be there post-patch. Don't get me wrong, I'm very happy about the change, but this seems like the kind of situation where a respec is merited, at least for players who had points in the affected talents. On the other hand, even the maximum respec cost of 50g is fairly painless to make these days, so perhaps it's a non-issue.
And in case there were any doubts, Polymorph is still meant to restore health; the version on the PTR right now is bugged:
This is a bug on the PTR at current, yes.