Yogesh Jindal developed a DNS Mock Recording Deduplication feature for the keploy/keploy repository, focusing on improving the reliability and observability of DNS mocks. He designed a unique deduplication key based on DNS query and response characteristics, including QCLASS, to reduce duplication and enhance test fidelity. To manage memory usage efficiently, he implemented a bounded in-memory cache with a time-to-live (TTL) mechanism. Enhanced logging was added to facilitate debugging and track mock updates and recording sessions. His work leveraged Go for backend and API development, demonstrating a thoughtful approach to solving deduplication and resource management challenges in testing environments.