H. Mathijs upgraded OpenSSL to version 3.5.3 in the github-maccloud/runner-images repository, focusing on enhancing security and compatibility within the Windows 2025 build environment. The work centered on dependency management and build system maintenance, using PowerShell to ensure a seamless integration with minimal disruption to existing CI pipelines. By prioritizing traceability through commit-based change management, Mathijs enabled downstream teams to rely on up-to-date cryptographic libraries for their workflows. Although the scope was limited to a single feature and no bugs were addressed, the update contributed to a more robust and secure continuous integration process for Windows environments.