A new update will be available to all Preview members beginning at 6PM on 6/24. This update contains fixes for Backward Compatibility scenarios.
HOW TO GET IT:
• If your console is in Instant-On mode, it will download and install the update and reboot to standby.
NOTE: Once the update is available to your wave (Today is only available to the initial wave), you can manually begin the update by navigating to Settings > System and selecting System Update.
•If your console hasn’t downloaded and installed the update by 1:00AM PT 6/26/2015, you will be prompted to do so at that time.
DETAILS:
OS version released: xb_rel_1507.150621-2200
Available: 6:00PM PT 6/24 (2AM GMT 25/6)
CHANGES:
•Fix for an issue preventing users from Twitch Streaming Backward Compatibility titles.
•Fix to address issues with Matchmaking in Backward Compatibility multiplayer titles.
KNOWN ISSUES:
•Please report any issues you discover via the Report a problem feature or in the forums!
Thank you for your participation in the Preview program!
http://forums.xbox.com/xbox_early_acces ... 96255.aspx(The link will only work if you are in the preview program.)