CHANGELOG.md in logstash-output-datadog_metrics-2.0.4 vs CHANGELOG.md in logstash-output-datadog_metrics-3.0.0

- old
+ new

@@ -1,8 +1,16 @@
-# 2.0.4
+## 3.0.0
+  - Update to the new logstash event api
+  - update the travis file
+  - relax constraints on the logstash-core-plugin-api
+  - add logstash-codec-plain as a runtime dependency
+
+## 2.0.4
   - Depend on logstash-core-plugin-api instead of logstash-core, removing the need to mass update plugins on major releases of logstash
-# 2.0.3
+
+## 2.0.3
   - New dependency requirements for logstash-core for the 5.0 release
+
 ## 2.0.0
  - Plugins were updated to follow the new shutdown semantic, this mainly allows Logstash to instruct input plugins to terminate gracefully, 
    instead of using Thread.raise on the plugins' threads. Ref: https://github.com/elastic/logstash/pull/3895
  - Dependency on logstash-core update to 2.0
 