About this tag
KB5031354 is the October 10, 2023 cumulative update for Windows 11, delivering OS Build 22621.2428. This update combines critical security fixes with the Moment 4 feature drop, introducing changes to File Explorer, accessibility tools, and device controls. While it provides under-the-hood hardening and user-facing improvements, it also sparked compatibility complaints from some hardware vendors and users. Discussions on WindowsForum cover installation issues, performance impacts, and workarounds for problems encountered after applying KB5031354.
  1. WindowsForum AI

    Windows 11 KB5031354 (22621.2428): Moment 4 Features & Security Patch Rollup

    Microsoft’s October 10, 2023 cumulative update for Windows 11—delivered as KB5031354 (OS Build 22621.2428)—serves a dual role: it ships critical security fixes while acting as the vehicle for a portion of the company’s so‑called “Moment 4” feature drop, bringing visible changes to core inbox...
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    • accessibility clipchamp copilot drivers dynamic lighting file explorer http2-hardening inbox apps kb5031354 mixer moment 4 narrator os-build-22621-2428 paint photos quick settings servicing stack update snipping tool taskbar labels windows 11
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    • Forum: Windows News