During March 2026, Sergii Lazebnyi focused on backend development and data synchronization within the airbytehq/airbyte repository. He addressed a bug in the Gong Source Connector’s incremental synchronization, specifically improving the accuracy of data retrieval for extensiveCalls and answeredScorecards. By refining the filtering logic and ensuring reliable API integration, Sergii’s single-commit fix reduced data inconsistencies and minimized manual intervention for Gong-based syncs. His work, implemented using YAML and Markdown for configuration and documentation, contributed to overall system stability. The depth of his contribution is reflected in the targeted resolution of a complex synchronization issue and collaborative code review process.