Windows 11 KB5089573 update released with performance improvements
This article reports on the release of Windows 11 KB5089573, a non-security preview update for Windows 11 versions 25H2 and 24H2. The update focuses on performance improvements and reliability enhancements, including shared audio, improved CPU speed display, and battery life optimizations for HID devices. Microsoft is also rolling out updated Secure Boot certificates to replace expiring ones.
Microsoft released KB5089573 as a non-security preview update for Windows 11, aiming to improve overall system performance and reliability. The update includes several enhancements, such as shared audio functionality allowing two users to listen to the same audio simultaneously, improvements to the Task Manager's CPU speed display, and optimizations for battery life, particularly for HID devices and sensors. Microsoft is also proactively managing the transition to new Secure Boot certificates, a critical security component, to ensure continued system functionality and security. This rollout is part of a phased approach, targeting devices based on successful update signals to maintain control and minimize disruption.