Team,

We are releasing an updated 1710 build to the Preview Alpha Ring today at 2.00pm with numerous fixes. Thanks so much to all the Insiders for finding these!
https://forums.xbox.com/en-us/thread...1-8e4f634d050b

October 20th: New Preview Alpha build available (1710.171018-1900)

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 1:00 AM PDT 10/21/2017 (8:00AM GMT 21/10), you will be prompted to do so at that time. • NOTE: This update has a shorter than usual amount of time before it becomes mandatory.

DETAILS:
OS version released: rs3_release_xbox_dev_1710.171018-1900
Available: 2:00PM PDT 10/20 (9:00PM GMT 20/10)

FIXES:

• Games & Apps
• Additional fixes to resolve an issue which sometimes prevented games from launching due to an installation not complete error.
• Fixed an issue which sometimes caused sections of Games & Apps to appear blank.
• Fixed issues which sometimes caused Games & Apps to unexpectedly crash.
• Miscellaneous performance fixes and improvements.

• Party chat
Fixed an issue which sometimes caused unexpected disconnects from party chat.

• Multiplayer
Resolved an issue which sometimes prevented users from joining matchmaking sessions which were previously at maximum capacity.

• Home
Fixed issues which sometimes caused Home to unexpectedly crash.

• Display & Sound
Resolved an issue which sometimes caused the console to fail to play HDR content (when it could previously) after resuming from connected standby.

• Game DVR
• Fixed an issue which caused colors to appear incorrectly on HDR screenshots and game clips.
• Fixed an issue which caused certain screenshots shared to OneDrive to not be visible on all platforms.

• Friends In Games
Resolved an issue which caused the Friends In Games page to appear blank when playing Xbox 360 backward compatible games.

• Notifications
Fixed an issue which sometimes prevented a notification from popping when a new user joins a party.

• LFG
Hosts should now properly see custom messages provided by applicants who apply to join the LFG.

• Cortana
Resolved an issue which sometimes prevented Cortana from recognizing all voice commands.

• Ease of Access
Resolved an issue which caused closed captioning and subtitles to fail to display in certain apps.

• Microsoft Edge
Fixed an issue which could cause Microsoft Edge to crash in certain scenarios.

• System Update
Fixed an issue which sometimes caused system update installations to stall and fail to complete.

• Guide
Resolved an issue which sometimes prevented Guide from launching following sign in.

• Skype
Fixed an issue which prevented Skype from connecting a call made shortly after terminating a previous call.

KNOWN ISSUES:

• Tournaments
• The left and right navigation for selecting date and time during Tournament creation is currently reversed when the console language is set to Arabic or Hebrew.
• Left and right navigation in Tournament twists is reversed when the console language is set to Arabic or Hebrew .
• Left and right navigation in the bracket view of Tournaments is reversed when the console language is set to Arabic or Hebrew.

• Netflix
When using Hebrew language, Netflix fails to launch. A fix for this issue will be available soon.

• Avatars on Home
Users wishing to represent themselves as an avatar can do so by changing their settings under My profile > Customize profile > Show my avatar.


Source: Xbox One Insiders - October 20th: New Preview Alpha build available (1710.171018-1900) : xboxone