Windows 11 · 23H2 · Release · 2026-09 OOB
Windows 11, version 23H2 (22631.7584)
- Release
- KB5129242 — Microsoft's article, opens in a new tab
- amd64
- arm64
Windows 11 23H2: Home/Pro servicing ended November 2025
AI summary
This feature update delivers Copilot, Dev Home, Dev Drive, a touch-optimized taskbar, enhanced Spotlight, improved app management, and smoother usability and performance.
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Microsoft's known issues — KB5129242
- Issue Known issue After installing the September 8, 2026, Windows security update, some USB Audio Class 1.0 devices might fail to start or produce audio. Affected devices might experience one or more of the following symptoms: The device displays an error in Device Manager: "This device cannot start (Code 10).” No audio output. Volume controls are unresponsive or remain at zero. Sound settings are unresponsive or unavailable. This issue is limited to USB Audio Class 1.0 devices. Workaround: Microsoft is working on a resolution and will update this documentation when more information is available.
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 22631.7584 or KB5129242 and describe a fault appear here automatically.
In the news
Discussed on the forum
No member thread names 22631.7584 yet.