Windows 10 21H2 build 19044.1949 (KB5016688) — release notes, downloads, known issues

Windows 10 · 21H2 · Release · Optional preview update

Cumulative Update Preview for Windows 10 Version 21H2 (19044.1949)

Windows 10 21H2: Servicing ended

Download amd64 — build 19044.1949 from UUP Dump, opens in a new tab Download arm64 — build 19044.1949 from UUP Dump, opens in a new tab Download x86 — build 19044.1949 from UUP Dump, opens in a new tab All 21H2 builds JSON — this build from the builds API

AI summary

Writing the summary for this build…

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

No problems reported on the forum for this build yet. Threads that name 19044.1949 or KB5016688 and describe a fault appear here automatically.

Fix Windows 10 Build 19044.2075 Released: Key Features and Fixes Unveiled Sep 15, 2022 · Windows 10 21H2 coverage from this build's release window

Issue No USB connect sound issue on Win10 21H2 1 replies · Jul 8, 2024 · 21H2 thread from the release window

Builds sharing the .1949 minor, released within three days.