Today Sony Interactive Entertainment made the system software update 5.55 for the PS4 available for download on the PlayStation Network.

The update is a bit larger than usual in file size, weighing exactly 460.1 megabytes. Yet, the patch notes are as compact as usual, hinting to unspecified improvements to the system performance.

YAnd as usual, you should keep in mind that this normally means that the performance of the operating system itself has been improved, not that of the games, so…

PS4 System Software Update 5.55 Released, and it Does What You Probably Expect

Source: PS4 News – PS4 System Software Update 5.55 Released, and it Does What You Probably Expect