This is one of the biggest releases for inlets so far, which adds monitoring and metrics support with a new status command and Prometheus instrumentation: for a more detailed write-up with more info on the metrics see: https://inlets.dev/blog/2021/08/18/measure-and-monitor.html
How does inlets compare to other tunnels? https://inlets.dev/blog/2021/07/27/monthly-subscription.html