During October 2025, Fdej contributed to the docker/envoy repository by developing a feature that adds the x-envoy-compression-status header to the Envoy compressor filter. This enhancement provides explicit information in HTTP responses about whether compression was applied and, if not, details the reason compression was skipped. Fdej implemented this feature using C++, YAML, and protobuf, ensuring it is controlled by a runtime guard to maintain backward compatibility. The work focused on improving observability and troubleshooting for users managing HTTP filters and compression. The depth of the implementation reflects careful attention to configuration management, documentation, and robust testing practices.