Upgrade your New Relic agent to reduce security vulnerabilities and improve monitoring capabilities, including distributed tracing, logs in context, and access to production telemetry data in your IDE. Additionally, upgrading your agents provides access to technical support and bug fixes, as well as the latest features and enhancements. To ensure a smooth upgrade process, follow best practices such as regularly updating to the latest agent version, reviewing agent versions, keeping consistent agent versions across services, using automation for deployment and upgrades, and reading release notes. By doing so, you can minimize downtime, reduce security risks, and optimize your application performance monitoring.