Sony will release PS4 system update 1.51 imminently.
According to Eric Lempel, VP of Sony Network Entertainment, the mandatory update improves system software stability and makes small UI refinements "such as clearly indicating when a user downloads a game and a game patch at the same time".
Lempel also notes that automatic downloads for system and game updates are enabled by default when PS4 is in stand-by mode.
PS4 launched in North America on November 15 ahead of the European and Latin American PS4 release date of November 29. PS4 sales hit one million units in the console's first 24 hours of availability.

http://www.computerandvideogames.com...1-coming-soon/