Windows 10 Mobile Insider build 10586's known issues

Many Windows 10 Mobile Insiders are rejoicing due to the release of the latest build. With Windows 10 Mobile Insider build 10586 poised to be the release that goes out to the public when new phones hit the street later this week, many Insiders are expecting a nearly flawless experience.
However, Insiders may want to proceed with a bit of caution still, as this build still has a few known issues.

  • After we released Build 10581 to Windows Insiders in the Fast ring, we discovered a bug in the build that will cause the filesystem to become partially corrupted after doing a factory reset. For those of you who did a factory reset of your phone, you most likely did not notice this issue on Build 10581. Due to this bug however, upgrading to Build 10586 will cause your phone to go into a reboot loop after the upgrade completes – rebooting at the Windows or operator logo. To recover your phone, you can use the hardware key combination to reset your phone which will then put it at the OOBE experience on Build 10586. We highly recommend that you make sure you do a backup your phone *before* upgrading to Build 10586 due to this bug. Additionally, you can also recover your phone by using the Windows Device Recovery Tool to go back to Windows Phone 8.1 and then upgrade to Build 10586.
  • Deploying Silverlight apps through Visual Studio to your phone still won’t work in this build. This issue will be fixed with the release of Visual Studio 2015 Update 1 on Nov. 30th. You can deploy UWP apps to your phone without any issues.
  • There is a known issue where the tile for Insider Hub still remains under All apps but doesn’t open. Insider Hub isn’t included in this build. There isn’t a way to get it back, unfortunately. However, it’ll return in a future flight! In the meantime, use Insider Hub on the PC as a workaround.

Fortunately, for Insiders, the list is much smaller than ever before and seems only to contain issues with the initial deployment of the build. Once Insiders are past setup, it looks to be smooth sailing according to the Windows team. We’ll be posting throughout the day, rest of the week and weekend, any user experiences and operating features we happen to notice.
Please, help keep us up to date on anything you find during your experience with build 10586 in the comments below.
Happy downloading, Insiders!

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