The PlayStation 4's 1.6 firmware is available now. The main features of the update include DVD playback quality improvements, wireless headset support and, OH SWEET MERCY, YES - it is now possible to mute the microphone for the PlayStation Camera. Yes, we've been listening to all your spousal spats during Battlefield 4 matches. In fairness, you really should take out the trash more often.
There are numerous ways to download the update. Head to the Sony site for the details.