Microsoft released Windows 10 build 18890 to the Fast ring with fixes and improvements

It's Wednesday, and that usually means one thing: there's a new Windows 10 Insider Preview build available in the Fast ring. Today's build is 18890, replacing 18885. Sadly, there aren't any new front-facing features to try out, as it only contains fixes and improvements.

Here's what got fixed and improved in build 18890:

  • We fixed a hang in the audio service when checking whether a machine was licensed to use spatial audio.

  • We fixed an issue that could result in the desktop being unexpectedly slow to refresh (if you right-click the desktop and select Refresh or press F5).

  • We fixed an issue resulting in not being able to access network shares if you booted into Safe Mode with Networking.

  • We fixed an issue where hardware keyboard text predictions wouldn’t appear (if enabled) when the es-US keyboard was active.

  • We fixed an issue that could result in cumulative updates potentially failing with error 0x800f0982 if a language pack update was happening at the same time.

  • Thank you for all of the feedback you provided on Friendly Dates in File Explorer. At this time, we’ve decided not to roll out Friendly Dates to users as part of the 19H1 release. Insiders will see this option go away starting today, regardless of build number.

And of course, there are a bunch of known issues:

  • There has been an issue with older versions of anti-cheat software used with games where after updating to the latest 19H1 Insider Preview builds may cause PCs to experience crashes. We are working with partners on getting their software updated with a fix, and most games have released patches to prevent PCs from experiencing this issue. To minimize the chance of running into this issue, please make sure you are running the latest version of your games before attempting to update the operating system. We are also working with anti-cheat and game developers to resolve similar issues that may arise with the 20H1 Insider Preview builds and will work to minimize the likelihood of these issues in the future.
  • Some Realtek SD card readers are not functioning properly. We are investigating the issue.

  • If you use remote desktop to connect to an enhanced session VM, taskbar search results will not be visible (just a dark area) until you restart searchui.exe.

  • We’re investigating reports that on certain devices if fast startup is enabled night light doesn’t turn on until after a restart. (Note: The problem will occur on a “cold” reboot or power off / power on. To work around if night light doesn’t turn on, use Start > Power > Restart.)

  • There’s a noticeable lag when dragging the emoji and dictation panels.

  • Tamper Protection may be turned off in Windows Security after updating to this build. You can turn it back on.

  • Some features on Start Menu and in All apps are not localized in languages such as FR-FR, RU-RU, and ZH-CN.

  • Scrolling with the mouse wheel or touchpad may stop working in certain places after upgrading. If you experience this, going to Settings > Devices > Mouse, and changing one of the settings (for example, Choose how many lines to scroll each time) should resolve it until shutdown or reboot.

  • If you install builds from the Fast ring and switch to either the Slow ring or the Release Preview ring, optional content such as enabling developer mode will fail. You will have to remain in the Fast ring to add/install/enable optional content. This is because optional content will only install on builds approved for specific rings.

As always, you should read through the list of known issues before installing a new build. Also, this is from the 20H1 development branch, so there's a solid year between now and when this will be generally available. Things will break at some point, they'll get fixed, new features will be added, and so on.

The build is available to anyone on the Fast ring. If you're looking for 19H2 builds, which is the feature update coming later on this year, Microsoft will begin testing those later this spring.

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