Microsoft releases Windows 10 Redstone 4 Build 17120, Windows Mixed Reality users may want to skip this one

Microsoft have released a new Windows 10 build for Windows Insiders on the fast ring. The new build is 17120 and has Windows Defender Application Guard improvements and some issues with Windows Mixed Reality which means WMR users may want to skip this build.

For Windows Mixed Reality there are issues with performance, the ambient sound in the Skyloft and issues with 360 videos.

We’re investigating reports of a performance regression for Windows Mixed Reality on hybrid laptops on this build.

In some cases, the inbox apps will fail to load inside of Windows Mixed Reality and newly placed Holograms may be empty. Restarting Windows Mixed Reality should resolve both issues.

Windows Mixed Reality will crash if you launch the Store from Movies & TV, and then close both apps.

The ambient sound in Skyloft is louder than it should be.

On laptops with hybrid GPUs the video doesn’t render for 360 videos rendered directly in the Edge app although you can still hear the sound.

The 360 viewer fails to launch from the Store app when you click on the “Launch” button after installing the 360 Viewer Edge extension. To workaround manually launch Edge and then enable the 360 Viewer extension.

I doubt this will be the version that rolls out to Windows users due to the WMR issues so expect at least one more build.


About the author Ian Dixon:
Ian Dixon is a Microsoft MVP (Most Valuable Professional), founder of tech site and producer of the weekly The Digital Lifestyle Show podcast. Ian has been writing and talking about Windows for over 10 years and has over 20 years in IT as an IT Manager. Ian has thousands of followers on Twitter and Facebook and over 4 million views on his YouTube channel.

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