Microsoft releases new Windows 11 and 10 Release Preview builds with bug fixes

Microsoft has released two new Release Preview Channel builds for Windows Insiders. One is for Windows 11, with build number 22631.5984 under KB5065790, while the second one is for Windows 10, with build number 19045.6390 under KB5066198 (Windows 10 still gets preview updates, even though it is less than one month away from the end of support).

Today's updates do not add much to the operating systems. In fact, they do not even have dedicated changelogs. Microsoft has only updated release notes for the previous updates, build 22631.5982 and 19045.6388. The updated changelogs say that the new releases are only "small updates that addresse some issues with the updates themselves." Other than that, changes remain the same.

One of Windows 10's final Release Preview updates introduced a small set of general improvements and fixes to enhance the overall experience. Windows 11, on the other hand, which is not going anywhere in the foreseeable future, received an update with a more substantial changelog. It resolved bugs with authentication, display kernel issues, some input bugs, and problems with printing. You can find the complete changelog in our dedicated article here.

Note that today's Windows 11 update is for Windows Insiders with version 23H2. If you are on Windows 11 version 24H2 in the Release Preview Channel, you can check out builds 26100.6713 and 26200.6713, which introduced new features, such as the ability to change where hardware indicators appear. Additionally, in case you missed it, Microsoft recently released Windows 11 version 25H2 images for Release Preview Insiders.

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Posted Wednesday 17 September 2025 at 4:49 am AEST (my time).

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