Microsoft has now pushed Windows 10 Mobile Build 15210 to insiders in Fast Ring. The Build 15210 doesn’t bring significant changes and new features with itself. It packs couple of fixes related to Glance Screen and device sync to services.

Build 15210 also has some known issues that you may like to read before installing it.

Windows 10 Mobile Build 15210 Changelog:

  • We fixed an issue with the Glance screen where the time was not updating.
  • We fixed the token issue so when your device syncs to the service, text messages should show back up.

Windows 10 Mobile Build 15210 Known Issues:

  • The copyright date is incorrect under Settings > System > About. It shows as 2016 when it should be 2017. Thanks to the Windows Insiders that reported this!
  • In some cases, the WeChat app may crash on launch.

Source: Microsoft