message: dynamic proto version info
diff: @@ -44,6 +44,7 @@ understated.
  * Renamed `connect_generic_static` to `connect_generic`.
  * Removed `GetRetryPolicy`.
  * Renamed `ChangeSchemeOptions` to `SchemaChangeOptions`.
  +* Protocol version can now be selected at run time.
  ## 5.0.0
  