CHANGELOG.md in deimos-ruby-1.8.1.pre.beta1 vs CHANGELOG.md in deimos-ruby-1.8.1.pre.beta2

@@ -5,9 +5,15 @@
 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).
 
 ## UNRELEASED
 
+## 1.8.1-beta2 - 2020-07-28
+
+### Features :star:
+- Add `SchemaControllerMixin` to encode and decode schema-encoded
+  payloads in Rails controllers.
+
 ## 1.8.1-beta1 - 2020-07-22
 
 ### Fixes :wrench:
 - Retry deleting messages without resending the batch if the
   delete fails (fixes [#34](https://github.com/flipp-oss/deimos/issues/34))