Here are the changes and known issues with Windows 10 Mobile Insider build 15222

Laurent Giret

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If you don’t count the technical snafu that led the Windows Insider team to unintentionally release internal builds last week, it’s now been three weeks since Windows Insiders received their last mobile build. However, if the recent discovery of an early version of the Windows 10 Composable Shell gave you some reasons to be excited, you’ll likely be disappointed by the new mobile build rolling out today to Fast Ring Insiders.

This one is the build 15222, and it’s another build from the “feature2” branch which only includes some minor fixes and general improvements. Highlights include notification improvements for apps with a paired Bluetooth device, as well as other fixes for enterprise device management issues. You can find the full changelog below:

Changes, improvements, and fixes for Mobile

  • This build also includes all the improvements from KB4016871 and KB4020102.
  • The copyright date is correctly showing 2017 now under Settings > System > About.
  • We fixed an issue where WhatsApp would not launch after updating to the latest Mobile builds.
  • We fixed an issue with using the Japanese 12 Key soft keyboard where the “right arrow” key did not input a space
  • We fixed an issue with the Bulgarian keyboard localization for the HP Lap Dock in Continuum.
  • We have further improved the reliability of notifications for apps with a paired Bluetooth device, such as Fitbit.
  • Improved the Time & Language settings page UX for Speech and Keyboard language downloads. Previously, the status would show “Downloading” for speech and “Installing” for keyboard. Unless, the user tapped on the language or navigated to the Update & Security settings page, there was no indication that a restart is required to complete the installation. Now when the update reaches the reboot pending state, a “Restart Required” is displayed under the language.
  • We fixed several enterprise device management issues.
  • We fixed an issue where notifications and Cortana’s cross-devices settings on your device were not being mirrored to your PC.

Known issues for Mobile

  • In some cases, the WeChat app may crash on launch.

As usual, you can download this new build by checking Windows Update on your Windows phone. Once you’re done, let us know in the comments if you encounter any issues.