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Microsoft EdgeStephen Lines1 min readrelease notesintro

Announcing new builds for 2 October 2026

Read on windows.com

Summary

Microsoft released new Windows 11 Insider Preview builds for Beta and Experimental channels, providing specific build numbers. An upcoming Windows and Surface event is scheduled for Oct 7.

  • New Windows 11 Insider Preview builds are available: Beta 26220.9587, Experimental 26340.9596, plus 26H1 and Future Platforms builds.
  • Microsoft will host a Windows and Surface event on Oct 7 at 10 AM PT, streamed on YouTube.

Windows Insiders and developers need to know which builds to test and the date of the next public event.

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