CHANGELOG.md in elastic-apm-2.7.0 vs CHANGELOG.md in elastic-apm-2.8.0

@@ -2,9 +2,24 @@
 
 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).
 
+## 2.8.0 (2019-05-20)
+
+### Added
+
+- The option `stack_trace_limit` ([#424](https://github.com/elastic/apm-agent-ruby/pull/424))
+
+### Changed
+
+- Use standardized User-Agent ([#419](https://github.com/elastic/apm-agent-ruby/pull/419))
+
+### Fixed
+
+- `error.culprit` is properly truncated to 1024 characters ([#418](https://github.com/elastic/apm-agent-ruby/pull/418))
+- Force convert `transaction.context.response.status_code` to integer ([#423](https://github.com/elastic/apm-agent-ruby/pull/423))
+
 ## 2.7.0 (2019-05-07)
 
 ### Added
 
 - Added `disable_start_message` for those wanting complete silence on boot ([#397](https://github.com/elastic/apm-agent-ruby/pull/397))