CHANGES.md in twilio-ruby-5.30.0 vs CHANGES.md in twilio-ruby-5.31.0

@@ -1,7 +1,24 @@
 twilio-ruby changelog
 =====================
 
+[2019-12-12] Version 5.31.0
+---------------------------
+**Api**
+- Make `twiml` conditional for create. One of `url`, `twiml`, or `application_sid` is now required.
+- Add `bundle_sid` parameter to /IncomingPhoneNumbers API
+- Removed discard / obfuscate parameters from ContentRetention, AddressRetention **(breaking change)**
+
+**Chat**
+- Added `last_consumed_message_index` and `last_consumption_timestamp` parameters in update method for UserChannel resource **(breaking change)**
+
+**Conversations**
+- Add Participant SID to Message properties
+
+**Messaging**
+- Fix incorrectly typed capabilities property for ShortCodes. **(breaking change)**
+
+
 [2019-12-04] Version 5.30.0
 ---------------------------
 **Library**
 - [PR #485](https://github.com/twilio/twilio-ruby/pull/485): docs: add supported language versions to README. Thanks to [@childish-sambino](https://github.com/childish-sambino)!
 - [PR #445](https://github.com/twilio/twilio-ruby/pull/445): fix: handle building the HTTP client proxy URI without authentication. Thanks to [@laka3000](https://github.com/laka3000)!