Android 4.4 KitKat build KRS74D found in Chrome bug tracker
 

The Chrome bug tracker is acting as a source of information regarding upcoming Android releases once again, this time revealing what could be a build of Android 4.4 KitKat. The build, KRS74B, was found running on both the Nexus 4 and Nexus 10. A Google developer reported a bug using a Nexus 10 running Android [...]

http://vr-zone.com/articles/android-...me-bug-tracker