firmware v1.61 is now live (mandatory) and provides general enhancements to the PS4 system’s stability.
Update 1.61 comes paired with 1.60. While 1.61 specifically includes software stability features, 1.60 adds support for wireless stereo headsets and a stereo headset, as well as the ability to mute the microphone used for PlayStation Camera. Picture quality for DVD playback has also been improved.