A new PlayStation 4 update is coming soon and beta sign up begins today. Beta registration can be done until the start of the beta in early February. Access is not guaranteed. If you are accepted Sony will send out an email with instructions on how to download the update once the beta begins.
Sony did not release any details on what the update will include. Their last update had some much requested features. These include folders to organize games and a new quick menu. Expect the next update to also bring in new features.
There is no word on the official release of the new update. The last update took a month after initial beta testing to release so a similar time can be assumed for the 4.5 update.
In other PlayStation news, Sony announced that PS4 sales have reached over 50 million. This puts it in a similar spot as the best selling console of all time, the PlayStation 2.