CHANGELOG.md in patch_ruby-1.11.1 vs CHANGELOG.md in patch_ruby-1.12.0

@@ -3,9 +3,15 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2021-09-08
+
+### Added
+
+- Adds a `created_at` attribute in all order responses
+
 ## [1.11.1] - 2021-09-07
 
 ### Changed
 
 - Body parameters are validated before being sent to the API. This gives developers faster feedback as they develop their applications.