Microsoft released KB5089570 on May 26, 2026, as an optional preview cumulative update for Windows 11 version 26H1, moving supported systems to OS Build 28000.2179 while bundling File Explorer changes, Xbox mode, Secure Boot servicing work, AI component updates, and enterprise management...
Microsoft released KB5089570 on May 26, 2026, as a preview cumulative update for Windows 11 version 26H1, moving supported systems to OS Build 28000.2179 and delivering non-security fixes, staged feature rollouts, servicing-stack changes, and Copilot+ PC AI component updates. The surface story...
Microsoft released Windows 11 Release Preview builds 26100.8514 and 26200.8514 as KB5089573 for versions 24H2 and 25H2, plus build 28000.2173 as KB5089570 for version 26H1, on May 14, 2026, for Windows Insiders in the Release Preview channel. The interesting part is not that another pair of...