March 2026 monthly summary for libsdl-org/libavif focusing on Windows path-length compatibility and CI/test improvements. Delivered Windows Long Path Support by updating the manifest and CI tests to handle paths longer than the traditional limit, significantly improving compatibility with Windows file systems and deep directory structures. Added a dedicated longPathAware test to the Windows CI workflow to validate edge-case scenarios. No major bugs fixed this month; the work focused on reliability, cross-platform support, and CI coverage. Overall impact includes reduced path-related failures for Windows users and smoother integration for downstream projects. Demonstrated skills include manifest configuration, CI automation, test-driven validation, and careful change management across a critical library component.