Microsoft has now released the latest Windows 10 Mobile Insider Preview build to the Fast ring, bumping users up to build 10586.107.

This build includes a few bug fixes and improvements:

  • Fixed an issue where in some cases a device could be missing tiles on the Start screen after going through the device out of box experience.
  • Improved support in Narrator to speak in multiple languages.
  • Improvements to the device reset experience when BitLocker\Device Encryption is enabled by enterprise policy or by the user.

Source: Microsoft