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

May 26, 2026—KB5089570 OS Build 28000.2179 Preview Applies To Windows 11 version 26H1, all editions This cumulative update for Windows 11, version 26H1 KB5083806, includes production-quality improvements. Visit the Windows release health dashboard for the latest status on this release. Highlights...