Google stops supporting Nexus S and XOOM. Neither of them get 4.2.

Bad news for all those who are using a Nexus S or Motorola XOOM as they will not get 4.2 officially from Google. Google is also releasing the source code for 4.2 today.

-There is no support for 4.2 on Nexus S and Xoom. Those devices should
continue using 4.1.2.

Read more here:

https://groups.google.com/forum/#!msg/android-building/-ymcoMuDAbA/3cotWkQ-20wJ