Google is rumored to be launching Android 4.2.2 aka Jelly Bean OS for the Nexus 4, Nexus 7, and Nexus 10 in a few weeks. There is no official information issued by Google, but a source said that this update brings improvements in Bluetooth streaming, security, and performance.
Furthermore rumored, this update is not a major update such as the presence of Android 5.0 Key Lime Pie. Android version 5.0 many predicted will slide at the Google I/O in May.
As already reported in January, Android 4.2.2 was first seen on the Nexus 4 in Malaysia and Brazil. This latest addition to the Nexus, Nexus devices like the Samsung Galaxy Nexus lineup also gets Android 4.2.2 update as shown in the following picture leaked.