-## 0.20.0-rc.0 / 2022-02-17
+## 0.20.0 / 2022-03-16
* [FEATURE] Add support for grpc health check. #835
* [FEATURE] Add hostname parameter. #823
### Module
```yml
- # The protocol over which the probe will take place (http, tcp, dns, icmp).
+ # The protocol over which the probe will take place (http, tcp, dns, icmp, grpc).
prober: <prober_string>
# How long the probe will wait before giving up.
### <grpc_probe>
```yml
+# The service name to query for health status.
+[ service: <string> ]
# The IP protocol of the gRPC probe (ip4, ip6).
[ preferred_ip_protocol: <string> ]
+[ ip_protocol_fallback: <boolean> | default = true ]
+
+# Whether to connect to the endpoint with TLS.
+[ tls: <boolean | default = false> ]
# Configuration for TLS protocol of gRPC probe.
tls_config: