CHANGES.md in twilio-ruby-5.56.0 vs CHANGES.md in twilio-ruby-5.57.0

@@ -1,7 +1,17 @@
 twilio-ruby changelog
 =====================
 
+[2021-07-14] Version 5.57.0
+---------------------------
+**Conversations**
+- Changed `last_read_message_index` and `unread_messages_count` type in User Conversation's resource **(breaking change)**
+- Expose UserConversations resource
+
+**Messaging**
+- Add brand_score field to brand registration responses
+
+
 [2021-06-30] Version 5.56.0
 ---------------------------
 **Library - Feature**
 - [PR #559](https://github.com/twilio/twilio-ruby/pull/559): Add `Twilio::HTTP::Client#configure_connection`. Thanks to [@darwinShopify](https://github.com/darwinShopify)!
 - [PR #558](https://github.com/twilio/twilio-ruby/pull/558): Autoload Twilio::REST and Twilio::HTTP. Thanks to [@gmcgibbon](https://github.com/gmcgibbon)!