Windows 11 Release Preview channel gets 22621.382 mystery update

Arif Bacchus

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Microsoft on August 9 rolled out a new build to Windows 11 Release Preview Windows Insiders. Oddly, though, the company did not release a changelog for the build at all, leaving quite a mystery even one day later on August 10 (via Neowin.)

To be more specific, it is Windows 11 22H2 build 22621.382 (also known as KB5016632) that we are talking about. This shows up listed in Windows Update, but when you click the “Learn more” option, Windows will take you to this webpage which currently 404s. It seems as though Microsoft might have forgotten to write a changelog for this build, so it’s uncertain as to what exactly is new in the release. If the changelog is posted, we’ll update this post accordingly.

Yet if you’re a more eagle-eyed Windows Insider, you might remember this isn’t the first time that this has happened. Last week’s Dev Channel build was released on August 3, but there was no official changelog for it until 45 minutes after the build itself went live on Microsoft’s servers. This frustrated many Windows Insiders, including many of our own writers.

Microsoft’s Brandon LeBlanc explained that there’s always a “lag” when a build goes live and when the publish button is hit on a blog post because there are checks that needed to be done. He promised that he’d look into the “lag” in time it takes for a blog post to show up on the Windows Insider blog homepage.