Windows 11 build 27881.1000 — release notes, downloads, known issues

Windows 11 Insider Preview 27881.1000 (rs_prerelease)

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Coverage Windows 11 Insider Preview Build 27881: New Features & Improvements Jun 19, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Build 27881: Key Features, Accessibility Enhancements & Insider Insights Jun 19, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Insider Preview Build 27881 Introduces Voice Typing and Narrator Enhancements Jun 19, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Insider Preview Build 27881: New Voice Typing and Narrator Features Jun 19, 2025 · Windows 11 coverage from this build's release window
Coverage Windows 11 Build 27881: Innovative Features Boost Accessibility & Productivity Jun 19, 2025 · Windows 11 coverage from this build's release window

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Builds sharing the .1000 minor, released within three days.