Windows 11 23H2 build 22631.2506 (KB5031455) — release notes, downloads, known issues

Windows 11 · 23H2 · Release · Optional preview update

Cumulative Update for Windows 11 Version 23H2 (22631.2506)

Windows 11 23H2: Home/Pro servicing ended November 2025

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No problems reported on the forum for this build yet. Threads that name 22631.2506 or KB5031455 and describe a fault appear here automatically.

Thread Microsoft Word (Office 2003) with the cut and paste after Update KB5031455 on 10/27/2023 4 replies · Dec 6, 2024
Thread Win11 Pro 23H2 Upgrade 2 replies · Nov 15, 2023 · 23H2 thread from the release window
Thread Windows Critical Process Has Died 23H2 1 replies · Nov 30, 2023 · 23H2 thread from the release window