CHANGELOG.md in elastic-apm-2.9.1 vs CHANGELOG.md in elastic-apm-2.10.0

- old
+ new
@@ -2,9 +2,21 @@
 
 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).
 
+## 2.10.0
+
+### Added
+
+- Add Ruby specific metrics ([#437](https://github.com/elastic/apm-agent-ruby/pull/437))
+- Support for APM Agent Configuration via Kibana ([#464](https://github.com/elastic/apm-agent-ruby/pull/464))
+- Change span name format and add command to context's db.statement for `MongoSpy` ([#488](https://github.com/elastic/apm-agent-ruby/pull/490))
+
+### Changed
+
+- `ElasticAPM.report` and `ElasticAPM.report_message` return the string ID of the generated `Error` objects ([#507](https://github.com/elastic/apm-agent-ruby/pull/507))
+
 ## 2.9.1 (2019-06-28)
 
 ### Fixed
 
 - Use system CA certificate if none is specified ([#460](https://github.com/elastic/apm-agent-ruby/pull/460))