Explore three key Envoy features in this conference talk: the fine-grained logger for enhanced debugging control, the admin console for server insights, and the Universal HTTP Validator for consistent protocol validation. Learn how to utilize runtime logger updates, glob pattern support, and performance testing in the fine-grained logger. Discover new and lesser-known admin console functionalities for monitoring server health and status. Understand the importance of the Universal HTTP Validator in addressing vulnerabilities and ensuring consistent HTTP element validation across different protocol versions. Gain insights into implementing these features effectively in production environments.