End of LifeImportantThe end-of-life date for this agent version is July 29, 2019. To update to the latest agent version, see Update the agent. For more information, see End-of-life policy.NotesAgent now tracks metrics for router queue time. In addition to X-REQUEST-START, the agent now supports X-QUEUE-START header times. This metric will show up as "Request Queueing" in the Overview tab.