That’s right, folks, you can actually go ahead and download a new version of AIR. Why? You can read about some of the new stuff here:
http://www.adobe.com/devnet/logged_in/rchristensen_lpolanco_air_1.5.html
The ever-awesome Developer Center has a bunch of new articles, in addition to the one above. Go read em here.
And then go download AIR 1.5: http://get.adobe.com/air/