Possibly the last build of Jelly Bean, Android 4.2.2 is now rolling out to the Google Nexus 4 and the build number is JDQ39; the 54MB update is being pushed out OTA although the update can be manually installed directly ...
via http://www.phonearena.com/news/Android-4.2.2-OTA-heading-to-Google-Nexus-4-right-now_id39758
