Worked on the opensearch-project/flow-framework repository to deliver an OpenSearch Templates Compatibility Upgrade, focusing on removing deprecated _doc mappings to ensure alignment with OpenSearch 3.x standards. This update improved the reliability and performance of search templates by eliminating outdated configurations, thereby reducing potential runtime errors and simplifying future migrations. The work involved careful management of JSON configuration files and template management processes, demonstrating a strong understanding of OpenSearch deprecation handling. By updating the framework’s templates, the developer contributed to smoother maintenance and deployment workflows, emphasizing disciplined commit practices and effective collaboration within a critical open-source codebase.