Windows 10 Mobile build 14393.2126 is out for phones on version 1607

Historically, Microsoft has released cumulative updates for Windows 10 Mobile on Patch Tuesday, at the same time as its Windows 10 counterparts. That hasn't been the case as of late though, as devices on the Fall Creators Update (version 1709) didn't get an update until last Wednesday, fixing a major issue that broke PDF rendering in Edge. Those on the Creators Update (version 1703) didn't even receive that fix until yesterday.

Windows phones on the Anniversary Update (version 1607) never had the issue that broke PDF rendering, but they still received their monthly cumulative update today, bringing the build number to 14393.2126. As you'd probably expect at this point, Microsoft isn't saying much about what's included. The page for last Tuesday's update now includes the following:

Note The release also contains updates for Windows 10 Mobile (OS Build 14393.2068) released on February 13, 2018.

You're not mistaken, and it is citing last month's update.

Here's the full changelog, although it mostly only applies to PCs:

  • Addresses issue with printing XML documents with Internet Explorer and Microsoft Edge.

  • Addresses issue where Internet Explorer stops working when using F12-based developer tools.

  • Updates legacy Document Mode cell visibility in Internet Explorer.

  • Addresses issue where Internet Explorer is unresponsive in certain scenarios when a Browser Helper Object is installed.

  • Addresses issue that causes online video playback to stop responding.

  • Addresses issue where an AD FS server issue causes the WID AD FS database to become unusable after a restart. This might prevent the AD FS service from starting.

  • Due to recent work with our antivirus (AV) partners, AV software has now reached a sustained level of broad compatibility with Windows updates. After analyzing the available data, we’re lifting the AV compatibility check for the March 2018 Windows security updates for supported Windows 10 devices through Windows Update. We’ll continue to require that AV software be compatible. Devices with known AV driver compatibility problems will be blocked from updates. We recommend that customers check installed AV software compatibility with their AV provider.

  • Addresses issue in which WPF applications that are running on touch or stylus-enabled systems may stop working or stop responding after some time without any touch activity.

  • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Microsoft Windows Search component, Windows Desktop Bridge, Microsoft Graphics component, Windows Kernel, Windows Shell, Windows MSXML, Windows Datacenter Networking, Windows Installer, and Windows Hyper-V.

The only phones that should be receiving this update are those that got an official upgrade from Windows Phone 8.1 to Windows 10 Mobile, with the exception of the Microsoft Lumia 640 and 640 XL, which were both given an upgrade to version 1703. Devices still on version 1607 include the Lumia 535, 540, 730/735, 830, Icon, 930, 1520, and a few lesser known models.

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