Microsoft releases Windows 10 20H1 Build 18890 to the Fast ring

Windows 10 19H1 -- the May 2019 Update -- is currently undergoing additional testing in the Release Preview ring to try and solve a number of upgrade blocks, including one which prevents the update from installing if you have a USB drive or SD card plugged in.

Microsoft is still working on future releases though, and today pushes out Build 18890 to Insiders on the Fast ring (and those who had previously opted to Skip Ahead).

This build comes from the 20H1 branch -- which isn’t due to see the light of day for a year -- so as you’d expect it doesn’t offer anything in the way of new features.

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General changes, improvements, and fixes in this build include:

• Fixed a hang in the audio service when checking whether a machine was licensed to use spatial audio.
• 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).
• Fixed an issue resulting in not being able to access network shares if you booted into Safe Mode with Networking.
• Fixed an issue where hardware keyboard text predictions wouldn’t appear (if enabled) when the es-US keyboard was active.
• 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.
• Microsoft has 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.

Known Issues in this build are:

• 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. Microsoft is 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, make sure you are running the latest version of your games before attempting to update the operating system. Microsoft is 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.
• 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.
• Microsoft is 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.

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