Google open-source guru Jean-Baptiste Queru has announced on the Android Building group that theAndroid 4.2.2 source code will shortly begin pushing to AOSP -- the Android Open-Source Project. The build number is the same as what's now being pushed to Nexus devices -- JDQ39 -- and the tag is android-4.2.2_r1.
In addition, proprietary bits for all supported devices have been published online, and Android 4.2.2 factory images are also available from Google's developer site. Significantly, JBQ points out the Nexus 4 and Nexus 7 (all variants) now have a full set of proprietary binaries available online, bringing full AOSP support to these devices.
[Source: AndroidCentral]