During September 2025, Graphaelli focused on improving the reliability of log shipping in the fluent/fluent-bit repository by addressing a critical memory allocation issue in the Elasticsearch output plugin. Working in C, Graphaelli enhanced the API key authentication flow by ensuring that sufficient buffer space was allocated for the API key header before use, preventing potential buffer overflows and data corruption. This system programming effort strengthened the robustness of plugin development, directly reducing production risks and preserving data integrity. The work demonstrated careful attention to low-level resource management and contributed to the overall stability of Elasticsearch integrations within fluent-bit.