We fixed a threading issue that might cause the Windows Remote Management (WinRM) service to stop working when it is under a high load.

We fixed an issue that prevents users from tracking Distributed Component Object Model (DCOM) activation failures.

It also includes the following improvements:

GPU compute support in the Windows Subsystem for Linux (WSL) and Azure IoT Edge for Linux on Windows (EFLOW) deployments for machine learning and other compute intensive workflows.

Windows Hello for Business introduces a new deployment method called cloud trust to support simplified passwordless deployments and achieve a deploy-to-run state within a few minutes.

Adding WPA3 H2E standards support for enhanced Wi-Fi security.This update includes the following new features as mentioned in John Cable’s blog post for Windows 10, version 21H2 last month: For Insiders not yet on Windows 10, version 21H2 – this update is offered via our “seeker” experience in Windows Update and ONLY to Insiders who were moved from the Beta Channel to the Release Preview Channel because their PC did not meet the hardware requirements for Windows 11. This means these Insiders will need to go to Settings > Update & Security > Windows Update and choose to download and install Windows 10, version 21H2. This update will be offered automatically for Windows Insiders already on Windows 10, version 21H2 in the Release Preview Channel. Hello Windows Insiders, today we are releasing 21H2 Build 19044.1200 (KB5005101) to the Release Preview Channel.

Windows update 21h2