Here's what's fixed, improved, and still broken in Windows 10 build 17123

It's once again time for a new Windows 10 for PCs build in the Fast ring. In fact, build 17123 is the second Fast ring build this week, following 17120 which was released on Tuesday. This isn't surprising. We're now only about a week away from this update being signed off as the RTM, so the builds should be coming in more frequently.

The only new feature that was included was support for HEIF images in the Photos app. Naturally, the company is focusing more on fixes and improvements instead. Here's what's fixed and improved:

  • 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 were also some known issues that have to do with Windows Mixed Reality earlier this week. This is what's been fixed for that:

  • The ambient sound in Skyloft should now the correct volume.
  • Launching the Store from Movies & TV should no longer crash either app.
  • 360 videos should render correctly inside of the Edge app, and the 360 Viewer can be launched from directly from the Store app.

And then there are the known issues. These are also broken up into two sections. Here's what's still broken with Windows Mixed Reality:

  • 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.

  • Occasionally there may be a long delay and restart of mixed reality when transitioning to a new place (Skyloft or Cliff House).

This is actually the first build in a couple of weeks that has a known issue that has to do with the rest of the OS. Here's what's still broken:

  • If you had your phone linked to your PC prior to upgrading, you’ll find it has become unlinked after upgrading. You can relink your phone from Settings > Phone.

Microsoft still hasn't announced when this update will be available for the general public, or what it will be called. Being that it should be done so soon, the news should be here any day.

To install today's build, head over to Settings -> Update & security -> Windows Update -> Check for updates. If you're not on the Fast ring yet, go to the Windows Insider Program tab and click Get started.

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