* **`statsite_prefix` Has Been Renamed to `metrics_prefix`:** Since the `statsite_prefix` applied to all telemetry providers, `statsite_prefix` was renamed to [`metrics_prefix`](https://www.consul.io/docs/agent/options.html#telemetry-metrics_prefix). Configuration files will need to be updated when upgrading to this version of Consul. [GH-3498]
* **`statsite_prefix` Has Been Renamed to `metrics_prefix`:** Since the `statsite_prefix`configuration option applied to all telemetry providers, `statsite_prefix` was renamed to [`metrics_prefix`](https://www.consul.io/docs/agent/options.html#telemetry-metrics_prefix). Configuration files will need to be updated when upgrading to this version of Consul. [GH-3498]
* **HTTP Verbs are Now Enforced in Many HTTP APIs:** Many endpoints in the HTTP API that previously took any HTTP verb now check for specific HTTP verbs and enforce them. This may break clients relying on the old behavior. [GH-3405]
<details><summary>Detailed List of Updated Endpoints and Required HTTP Verbs</summary>