CHANGELOG.md in logstash-input-gelf-2.0.8 vs CHANGELOG.md in logstash-input-gelf-3.0.0

@@ -1,4 +1,6 @@
+## 3.0.0
+  - Update the plugin to the version 2.0 of the plugin api, this change is required for Logstash 5.0 compatibility. See https://github.com/elastic/logstash/issues/5141
 ## 2.0.8
   - Make the `Event.from_json` return a single element instead of an array and make this plugin works under 5.0
 ## 2.0.7
   - Fix failing test caused by reverting Java Event back to Ruby Event
 ## 2.0.6