update release note

Release.md

@@ -1,12 +1,3 @@
-### New
-
-* Added `connect_server_local_ip` in frpc to specify local IP connected to frps.
-* Added `tcp_mux_keepalive_interval` both in frpc and frps to set `tcp_mux` keepalive interval seconds if `tcp_mux` is enabled. After using this params, you can set `heartbeat_interval` to `-1` to disable application layer heartbeat to reduce traffic usage(Make sure frps is in the latest version).
-
-### Improve
-
-* Server Plugin: Added `client_address` in Login Operation.
-
 ### Fix
 
-* Remove authentication for healthz api.
+* Fixed IPv6 address parse issue.

pkg/util/version/version.go

@@ -19,7 +19,7 @@ import (
 	"strings"
 )
 
-var version string = "0.39.0"
+var version string = "0.39.1"
 
 func Full() string {
 	return version