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Microsoft Releases Windows 10 Insider Preview 17123

By Brian Burgess

Last Updated on March 16, 2018

The final version of Windows 10 Spring Creators Update (version 1803) is set to be released next month. Here is a look at the latest insider build and what to expect.

Microsoft today released Windows 10 Insider Preview Build 17123 to Insiders in the Fast ring. This comes on the heels of Build 17120 which was released earlier this week. This build introduces a new image file format, more Mixed Reality fixes and issues, and other general improvements. Here is a look at what to expect as we near the final release date of Spring Creators Update — Version 1803.

Windows 10 Insider Preview Build 17123

New in this build is Introducing High Efficiency Image File Format (HEIF) which is an image container that “leverages modern codecs like HEVC to improve quality, compression, and capabilities compared to earlier formats like JPEG, GIF, and PNG.” To use it you will need this latest build as well as the latest version of the Photos app. The Mixed Reality feature continues to have issues as well as bug fixes, too.

Here is the list of the other changes, improvements, and fixes to expect in this latest build:

• We fixed an issue from the last flight on PCs with the Dolby Access app installed and expired Dolby Atmos license, where the Windows Audio service (audiosrv) would crash with a stack overflow exception and the PC won’t have sound.
• We fixed an issue resulting in a bug check with the error message SECURE_KERNEL_ERROR in recent flights.
• As of Build 17063, a change was made that may have caused some older drivers to not load properly. This may have caused update failures or bugchecks (GSODs) shortly after the PC was rebooted. This build includes fixes for this that should prevent these update failures and bugchecks from occurring.
• Thanks everyone who’s shared feedback about our Embedded Handwriting Panel so far – we’re making a change such that if you clean install, reset your PC, or upgrade straight to this build from the Fall Creators Update this experience will be turned off by default. The setting will remain on for Insiders who have upgraded from previous builds where it was enabled, and can be turned on by anyone with a pen capable device via the “Write directly into text field” option under Pen & Windows Ink Settings.

There are some known issues in this build and you’re encouraged to report any others you find in the Feedback Hub. Make sure to read the official Microsoft post for more on all new features, known issues, and developer notes.

If you are an Insider, let us know how this build is or isn’t working on your test system. Or, hop in our Windows 10 Forums for more discussions and troubleshooting advice for all things Microsoft.