In December 2024, Esjo focused on backend improvements and security for the equinor/isar and equinor/flotilla repositories. He addressed a runtime error in isar by correcting a None comparison in Python, enhancing client object handling and aligning with best practices. In flotilla, he remediated security vulnerabilities by running npm audit fix and updating JavaScript dependencies, ensuring safer deployments. Esjo also upgraded .NET package versions across flotilla’s API projects, improving stability and compatibility with modern tooling. His work demonstrated attention to code quality, dependency management, and security patching, resulting in more robust and maintainable backend systems across both repositories.