Apple has just released the fourth beta version of iOS 6.1 to developers. It is available now over the air and through Apple’s developer site.

The release comes exactly two weeks after iOS 6.1 beta 3 was introduced.

Also, there is a new preview of Xcode 4.6 available along with a new Apple TV beta for developers.

We’ll take a look at the software and let you know of any changes we happen to notice. If you see something new in the beta, feel free to email us at tips@appadvice.com.