Yesterday, we heard about a very small security update that has started pushing out to the T-Mobile variant of the Google Nexus 4. The update was a minor package, only clocking in at about 2MB and bumping the version from JWR66V to JWR66Y. But, now it looks like the update may be coming to the entire Nexus family...
Source: http://www.phonearena.com/news/Nexus-7-10-and-Galaxy-Nexus-may-also-be-getting-security-update_id46621
Source: http://www.phonearena.com/news/Nexus-7-10-and-Galaxy-Nexus-may-also-be-getting-security-update_id46621