Windows 11 26H1 gets a bunch of fixes in new build 28000.1199

Microsoft has released Windows 11 build 28000.1199 to Insiders in the Canary Channel. This update for version 26H1 does not contain new features or something specific, and instead, focuses on "a small set of general improvements." Here is what the company says in the changelog:

• This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.

You can find the announcement blog post here.

As a reminder, Windows 11 26H1 is the only H1 release in four years of Windows 11's existence. Shortly after releasing Windows 11 version 25H2 to all users, Microsoft started testing version 26H1 in the Canary Channel. The update is intended to work as a "platform update" for certain processors. Microsoft does not say what processors it has in mind, but rumors say that Windows 11 version 26H1 will be an exclusive release for Snapdragon X2 Elite processors, and its launch is scheduled for the first half of 2026, as the name suggests.

As for all the other devices and existing PCs, expect the next big update in the second half of 2026 in the form of version 26H2. All the new features and visible improvements will be available first in the Dev and Beta Channels, where Microsoft currently offers a single, unified build. However, the Dev Channel will soon move to higher-numbered and less stable builds, so there is an opportunity to downgrade from Dev to Beta without doing a complete system wipe. Once that window is closed, you will have to reinstall Windows from scratch to downgrade to more stable builds.

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Posted Wednesday 19 November 2025 at 4:44 pm AEST (my time).

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