Another stability update for your console.
Go and turn on your PS4 and update with firmware 3.11. Go on!
The new update is all about "stability" according to the info on my PS4. Sorry, it's not very exciting.
PS4 system software 3.11 will be live today to enhance system performance
— PlayStation Europe (@PlayStationEU) November 9, 2015
The file size is around 250MB so it should be downloaded and updated in a jiffy.