I don't know if this only relates to me, to jewelcraft, or to everything.
When I first logged into my JC char, the recipes were split up into various categories, like Red, Blue, Yellow, etc for the gems. Then something happened and I crashed.
I came back in, and noticed that those categories were now gone. All recipes were just listed in one huge listing (not even split up the old way, pre-2.1)
Other than that, no apparent side effects, so I worked on JC tonite, got to the level 355 to learn a new recipe which I had bought from the AH (not a trainer recipe). As you know, those recipes selling on AH aren't cheap.
I get the message that I learned it, but it's not in my list of recipes that I can choose!
I believe this may be related to the patch. I'll caution you all, not to learn any recipes from recipe items that you got, in case you don't get it listed properly, and you don't get it refunded either.