HOW TO GET IT
• If your console is in Instant-On mode and you have been selected to receive the update, it will download and install the update and reboot to standby.
• NOTE: Once the update is available to you, you can manually begin the update by launching the Guide and navigating to All Settings > System > Updates.
• If your console hasn’t downloaded and installed the update by 2:00 PM PDT 8/6/2017 (9:00PM GMT 6/8), you will be prompted to do so at that time.

DETAILS
OS version released: rs2_release_xbox_1706.170802-1730
Available: 2:00PM PDT 8/5 (9:00PM GMT 5/8)

FIXES:

Party Chat

• Fixed an issue which sometimes caused the microphone to fail to be detected after disconnecting and reconnecting to party chat.
• Fixed an issue in which Party chat would crash for users without any warning. This usually happened during gameplay in parties occurring for a long period of time

Source:
August 5th: New Preview RING 3 & RING 4 build available (1706.170802-1730) | Xbox Forums

Posted By: Brink
05 Aug 2017