[WindowsCentral.com]

Users on the Xbox Insider Program's Alpha ring are about to get a huge, huge update.
As teased earlier in the week, users in the Xbox One's Alpha ring will be able to begin testing custom gamerpics, Arena, new activity feed features, and much, much more. This is the biggest update the ]Insider program has seen for a while, and brings us ever closer to general distribution.

Here's everything that's new, fixed, and broken in the upcoming Alpha build.

Full story from the WindowsCentral blog...