Ankush Agarwal focused on backend development and networking, contributing targeted bug fixes to the istio/istio and envoyproxy/gateway repositories over a two-month period. In istio/istio, he improved routing accuracy by updating domain generation logic to correctly handle absolute FQDNs with trailing dots, preventing unintended wildcard fallbacks and enhancing test coverage to ensure policy compliance. For envoyproxy/gateway, Ankush addressed TLS SAN processing by refining BackendTLSPolicy validation, ensuring DNS and URI Subject Alternative Names were properly translated and included in upstream TLS configurations. His work, primarily in Go and Kubernetes, demonstrated depth in protocol handling and security-focused engineering.