Google made public the official changelog of Android 4.2 Jelly Bean
Better late than never, Google has finally updated the page on the functions and features in Android 4.2, including the new Android 4.2.1 and Android 4.2.2.. Android Jellly Bean probably will be replaced in a few months with Key Lime Pie.
The list is quite rich and may be useful to remind all the features in the second generation of the release of Android Jelly Bean.
The news hit all the elements of the system, from the multimedia such as HDR and photosphere, Accessibility, not to mention the new lockscreen and down for quick access to the settings.
We should, however, learn how to prepare these information pages already exit of the new release of the mobile operating system, not to leave the task to users and us journalists, trying to find point by point all the news inserted.