In February 2025, Akash Agarwal developed an early data access feature for the TCP proxy filter in the envoyproxy/envoy repository. He designed and implemented a mechanism that buffers downstream data and exposes it through a filter state object, allowing downstream filters to read data before the upstream connection is established. This required changes to filter initialization and data-path handling, enabling more dynamic policy enforcement and reducing latency during connection setup. Akash utilized C++ and YAML, applying his expertise in Envoy Proxy, filter development, and network programming to deliver a well-integrated solution that enhances extensibility and observability in filter chains.