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New release preview Insider builds are out for Windows 11 flighters under KB5120998. Here are the new features and changes.
Aug 14, 2026 13:33 EDT
Microsoft has released today new Release Preview channel builds for Windows 11 Insiders. The new builds, 26100.9267 and 26200.9267, are for Windows 11 24H2 and 25H2 flighters, respectively, under KB5120998. The release brings a long list of features and improvements including in the Taskbar, Start menu, Windows Search, File Explorer, and other core UI elements. Speaking of UI, the general design is also seeing changes.
The full changelog is given below starting with the features rolling out gradually:
