For developers, the 21H2 update significantly reduced the image size by nearly 40%. This lead to faster startup times and better performance on x64 architecture. The December updates ensure that these container environments are fully patched, providing a "clean" starting point for DevOps teams to deploy microservices without the immediate need for extensive post-installation patching. Conclusion
Contains non-security updates originally introduced in the previous month's optional preview release, focusing on overall system reliability. Servicing Stack Update:
Report Generated for IT Infrastructure Planning Purposes.
Windows Server 2022 LTSC (version 21H2) received its December 2025 cumulative update via
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windows server 2022 ltsc 21h2 x64 english decem updated
For developers, the 21H2 update significantly reduced the image size by nearly 40%. This lead to faster startup times and better performance on x64 architecture. The December updates ensure that these container environments are fully patched, providing a "clean" starting point for DevOps teams to deploy microservices without the immediate need for extensive post-installation patching. Conclusion
Contains non-security updates originally introduced in the previous month's optional preview release, focusing on overall system reliability. Servicing Stack Update:
Report Generated for IT Infrastructure Planning Purposes.
Windows Server 2022 LTSC (version 21H2) received its December 2025 cumulative update via