# Windows 11 28000.2179 — May 26, 2026—KB5089570 (OS Build 28000.2179) Preview

- Product: Windows 11 (https://whatsnew.fyi/product/windows-11)
- Vendor: Microsoft
- Date: 2026-05-26
- Version: 28000.2179
- Original notes: https://support.microsoft.com/en-US/servicing/os/windows-11/2026/05/may-26-2026-kb5089570-os-build-28000-2179-preview
- Permalink: https://whatsnew.fyi/product/windows-11/releases/28000.2179
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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