CHANGELOG.md in elastic-apm-2.2.0 vs CHANGELOG.md in elastic-apm-2.3.0

- old
+ new

@@ -2,9 +2,15 @@
 
 All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 2.3.0 (2019-01-29)
+
+### Added
+
+- Support for Metrics ([#276](https://github.com/elastic/apm-agent-ruby/pull/276))
+
 ## 2.2.0 (2019-01-22)
 
 ### Added
 
 - Support for [OpenTracing](https://opentracing.io) ([#273](https://github.com/elastic/apm-agent-ruby/pull/273))