PS4 Getting Major Update Soon PS4 

PlayStation 4 will receive a major update, This will be the first big update after 2016's september 4.00 update which will be coming soon. This was confirmed by Sony today on the PlayStation Blog post unfortunately less info has been shared about the update, only saying it's called 4.5 and will have some improvements and new features. There is no word yet on when PS4 4.5 will arrive for everyone. For comparison, the PS4 4.00 update became available for beta testers in August before launching publicly in September.

As it did with 4.00 and other updates, Sony is inviting players to beta test the new one before it goes live for everyone. You can register to access the beta here by submitting your PSN ID--but note that you need to be 18 or older. Additionally, there are no guarantees that you'll be selected.Be sure that you have a working email attached to your PSN ID, as that's how Sony will notify people chosen.

The beta itself will start in early February, and once it begins, Sony will cut off new registrations.
In other PS4 news, Sony recently announced that it sold 6.2 million consoles during the holiday period, boosting the system's worldwide sales total to more than 53.4 million.

source via gamespot