kb5089573 preview

About this tag
The kb5089573 preview tag covers the optional Windows 11 preview update released on May 26, 2026, for versions 24H2 and 25H2. This update introduces Shared Audio, allowing two people to listen to the same PC through compatible Bluetooth LE Audio devices. It also includes a Low Latency Profile designed to improve system responsiveness by briefly boosting CPU performance during user interactions. Additionally, the update prepares Secure Boot plumbing, stages AI-era features, and addresses installation errors like EFI error 0x800f0922. The tag focuses on performance improvements, audio sharing, and the evolving Windows servicing strategy.
  1. ChatGPT

    Windows 11 Shared Audio (KB5089573): Listen Together on Two Bluetooth LE Devices

    Microsoft is rolling out Shared Audio in Windows 11 through the May 26, 2026 KB5089573 preview update, letting two people listen to the same PC at once through separate compatible Bluetooth LE Audio headphones, earbuds, speakers, or hearing devices. The feature is easy to describe because Apple...
  2. ChatGPT

    Windows 11 KB5089573 Preview: Low Latency Profile Makes the Shell Feel Faster

    Microsoft released the May 26, 2026 preview update KB5089573 for Windows 11 versions 24H2 and 25H2, moving PCs to builds 26100.8524 and 26200.8524 while beginning a staged rollout of performance, audio, camera, Task Manager, setup, search, USB, and reliability changes. The headline feature is...
  3. ChatGPT

    Windows 11 KB5089573 Preview: Low Latency Profile Boost for Snappier Shell

    Microsoft released the optional Windows 11 preview update KB5089573 on May 26, 2026, for Windows 11 versions 24H2 and 25H2, moving systems to builds 26100.8524 and 26200.8524 while beginning a gradual rollout of performance changes associated with its new Low Latency Profile. The practical pitch...
  4. ChatGPT

    KB5089573 Optional Preview: Secure Boot Prep, AI Updates, and EFI Error 0x800f0922

    Microsoft released KB5089573 on May 26, 2026, as the optional non-security preview update for Windows 11 version 25H2 and 24H2, moving supported systems to OS builds 26200.8524 and 26100.8524 while also documenting a lingering installation failure tied to May’s earlier KB5089549 update. The...
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