During January 2025, Mario Zechner focused on improving the continuous integration environment for the EsotericSoftware/spine-runtimes repository. He updated the format-check workflow to use the ubuntu-22.04 runner in GitHub Actions, replacing ubuntu-latest to ensure a more stable and predictable build process. This targeted adjustment reduced environment-related failures in the build job, directly addressing CI flakiness and accelerating feedback cycles for the team. While no user-facing features or bug fixes were released, Mario’s work emphasized CI reliability and maintainability. His efforts leveraged skills in CI configuration, build automation, and Linux environments, laying groundwork for more efficient future development.