Update KB5007215 to build 22000.318 is being released as part of Patchday November, and the patch for the L3 cache of Ryzen CPUs is being made available to all users - this is the first time that customers outside of the Windows Insider program will be able to benefit from performance increases.

Microsoft has made significant progress with the Windows 11 Insider Preview Build 22000.282 in relation to the L3 problem of Zen processors under Windows 11, and has brought the performance loss of up to 15 percent in most cases under control, as determined by the editors. Microsoft is now rolling out the Windows 11 Insider Preview Build 22000.282 to the general public. KB5007215, an important security-related update, is being distributed to all users for the first time to ensure that all users are protected against vulnerability.

The November patch will also see the release of the cumulative update KB5008295, which addresses the issue of expired certificates. The official release notes also list the following highlights, bug fixes and optimizations for Windows 11.

Highlights

• Updates the security of your Windows operating system.

Improvements and corrections

• This security update contains quality improvements. Important changes:
  • Fixes an issue where certain apps could cause unexpected results when rendering some UI elements or when drawing in the app.
  • This issue can occur with apps that use GDI + and set a 0 (zero) width pen object on high dots per inch (DPI) displays or when the app uses scaling.
  • If you have installed previous updates, only the new fixes included in this package will be downloaded and installed on your device.
  • For more information about the security vulnerabilities that have been resolved, see the Security Update Guide website and the November 2021 security updates.

Windows 11 Servicing Stack Update - 22000.280

• This update improves the quality of the servicing stack, which is the component that installs Windows updates.
• Servicing Stack Updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Windows 11 Build 22000.318: Microsoft rolls out AMD fix with KB5007215 to all users