Adobe published an RC for Camera RAW 8.4 and a DNG Converter tool, along with numerous new lens profiles.
What’s new in Camera Raw? A before/after view which imho is JUST what Camera Raw needed!
from Julianne Kost’s blog
There are a bunch more things which you can see by clicking the photo credit link above.
All in all? For a while longer, Photoshop and Lightroom are available at $9.99/mo. for a bit longer (by 3/31/14). This makes it an even better deal, since you’ll be getting all the updates for both plus more for pretty darned cheap.