That’s it the new version of Adobe Flex is here and with it the new AIR 1 runtime, for details visit Mike Potter’s post. Congrats to all the people involved in this release Adobe is really pushing its open source side by making the Flex compilers source available.
Be sure to check Flex SDK page on Adobe Open Source and the product pages of Flex 3 and AIR 1.

The Adobe Flex 3 and AIR 1 are here by David Gamez, unless otherwise expressly stated, is licensed under a Creative Commons Attribution-Noncommercial 2.5 Mexico License.