An update for Microsoft Phone has been pushed for non-insider, who’re running OS version 10586.xx to  2.15.25005.0.

The official changelog for this update told, this app now opens faster in Low End devices. This update also brings some accessibility improvements, such as improving Narrator functionality by adding landmarks in the app, adding high contrast icons and improving touch-typing.

Here you can see the whole changelog :

  • Improved performance for opening the Phone app on low-end devices
  • accessibility improvements, such as improving Narrator functionality by adding landmarks in the app, adding high contrast icons and improving touch-typing
  • Fixed an issue where certain calls didn’t appear in call history
  • Fixed an issue where a ringtone wouldn’t play sometimes after playing a visual voicemeail message
  • Standardized date and time formatting
  • Improved app reliability and fixed some issues that caused the app to fail
  • Minor UI improvements

You can get the updated version from here