Microsoft has delivered another Cumulative Update for the preview of Windows 10 Mobile, the version of Windows 10 for smartphones, adding support for a handful of new devices.
Windows 10 Mobile Insider Preview Build 10586.122 was made available overnight to testers on Microsoft's Windows Insider programme who have signed up for the Slow and Release Preview Rings. This means that the code is considered more stable than that being delivered to those on the cutting-edge Fast Ring.
This Cumulative Update continues to address feedback Microsoft receives from users of its own Lumia devices, but adds support for four additional Windows Phone handsets. These are the MCJ Madosma Q501, BLU Win HD W510U, BLU Win HD LTE X150Q and Alcatel OneTouch Fierce XL.
Windows 10 Mobile was officially released on new Microsoft Lumia handsets late last year, but owners of older Windows Phone handsets are still waiting for a version of the release code to upgrade their devices.
As is the case with these updates, Preview Build 10586.122 delivers several bug fixes and improvements reported by testers. These include bugs in the Microsoft Edge browser, one that prevented the option to 'Close all Tabs' actually closing all open tabs, and another that prevented Word Flow input on some web sites.
Microsoft has also improved the battery life of devices by updates to the way background processing is performed for some operations, while overall reliability of the operating system, including of the Start screen, app updates and the Windows Feedback app, has been addressed. A full list of the fixes can be found on Microsoft's Windows Experience blog.
Gabe Aul, Microsoft's director of programme management for the Windows Fundamentals team, appealed for Windows Insiders to give feedback, particularly on the experience of upgrading from Windows Phone 8.1.
"If you're a Windows Insider who is willing to help test the upgrade path that most customers will be taking from Windows Phone 8.1, you can use the Windows Device Recovery Tool to go back to Windows Phone 8.1 and then download the Windows Insider app from the Store and jump into the Slow or Release Preview rings to pick up Build 10586.122 for your phone," he said.
"We appreciate Insiders helping us test the upgrade from Windows Phone 8.1 to help ensure our customers have a great experience."
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