Microsoft released a new version of Windows 10 Mobile to its Fast Ring Insiders today. The company said the new build, version 10586.71, includes a number of bug fixes (outlined below) and an update to the certificate that grants access to the Insider Fast Ring.
Microsoft said it has been making “improvements in the performance and reliability of receiving this Cumulative Update.” The company released a configuration update on Friday and said that anyone who has already installed it prior to today’s release should notice the improvements. Windows Phones that don’t have the new configuration yet will receive it with this update.
The list of bug fixes includes:
Windows Update performance and reliability improvementsImprovements in migration of data profiles and messaging settings when upgraded from Windows Phone 8.1.SensorCore API’s are now upgraded correctly from Windows Phone 8.1; allowing applications, including many fitness applications, to correctly access movement data.SD card detection has been improved on boot and after insertion; File Explorer now handles the removal of an SD card when the default for apps or photos are set to SD.Improvements in the Edge browser, including PDF rendering.Bluetooth improvements when re-connecting to already paired devices and cars; turn by turn directions, and when using Cortana with the Microsoft Band.Improvements in Settings when downloading Maps or changing Quick Settings.Reinstalling Groove Music from the Windows Store no longer causes DRM music playback issues. Groove Music local song collections are now more quickly imported within the applicationDevice power improvements after listening to music, after missed phone calls when iris detection is disabled, and when downloading updates.In app purchases now work correctly when cellular data is disabled.Improvements to the reliability of Kids Corner.
Microsoft said that some of these improvements are specifically designed to improve the upgrade process from Windows Phone 8.1 to Windows 10 Mobile Insider Preview, and will not be noticeable for previously updated phones.