The new Android 4.2.2 update for Nexus 4, 7, 10 fixes bugs and removes some secrets.
There are reports that the change to the Nexus 4 baseband software seems to have completely disabled its partial, undocumented LTE support for the Nexus 4. The Nexus 4 has an LTE chip on it but does not officially work in the United States.
Google has been running new ads and deals for its Nexus devices, however they are slow to ship. There have been many Nexus 4 SNAFUs in customer service and stock issues. See Nexus 4 tips.