Folks who are interested to know the details of Google’s latest upcoming Android version, can check out the complete change log for Android 4.1 Jelly Bean which is officially made available by the company.
Last month at Google I/O 2012, Android 4.1 Jelly Bean was unleashed to developers and its SDK was released whereas the final product shall reach to end users in mid-July.
To know about the inclusions of Android 4.1 you can visit official Android page, where detailed new features of Android 4.1 Jelly Bean are posted.
See also:
Android 4.1 Jelly Bean SDK
Android 4.1 Jelly Bean Port for Nexus S and Nexus S 4G
Android 4.1 Jelly Bean Source Code