Windows 11 build 27938.1 — release notes, downloads, known issues

Windows 11 Insider Preview 27938.1 (br_release)

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Coverage Windows 11 Canary 27938 Brings AI Actions in File Explorer Sep 8, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Canary Build 27938: AI Actions in File Explorer and Clock with Seconds Sep 8, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Canary Build 27938: AI Actions in Explorer, Seconds Clock, and AI Activity Sep 8, 2025 · Windows 11 coverage from this build's release window
Coverage Build 27938: AI Actions in Explorer, Seconds Clock, and Power‑User Windows Tips Sep 8, 2025 · Windows 11 coverage from this build's release window

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Builds sharing the .1 minor, released within three days.