Windows 10 · 21H2 · Release · Security update (Patch Tuesday)

Feature update to Windows 10, version 21H2 (19044.3930)

Windows 10 21H2: Servicing ended

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AI summary

This feature update delivers security enhancements, performance and stability improvements, and targeted bug fixes for Windows 10 version 21H2, improving reliability and protection.

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

Known issues — reported on the forum

No problems reported on the forum for this build yet. Threads that name 19044.3930 or KB5034122 and describe a fault appear here automatically.

In the news

No article names 19044.3930 or KB5034122 yet, and nothing about Windows 10 21H2 was published in its release window. Browse Windows news.

Discussed on the forum

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