CHANGES.md in twilio-ruby-6.5.0 vs CHANGES.md in twilio-ruby-6.6.0

@@ -1,7 +1,26 @@
 twilio-ruby changelog
 ===================== 
 
+[2023-09-07] Version 6.6.0
+--------------------------
+**Api**
+- Make message tagging parameters public **(breaking change)**
+
+**Flex**
+- Adding `agent_conv_end_methods` to Flex Configuration
+
+**Messaging**
+- Mark Mesasging Services fallback_to_long_code feature obsolete
+
+**Numbers**
+- Add Create Port In request api
+- Renaming sid for bulk_hosting_sid and remove account_sid response field in numbers/v2/BulkHostedNumberOrders **(breaking change)**
+
+**Pricing**
+- gate resources behind a beta_feature
+
+
 [2023-08-24] Version 6.5.0
 --------------------------
 **Api**
 - Add new property `RiskCheck` for SMS pumping protection feature only (public beta to be available soon): Include this parameter with a value of `disable` to skip any kind of risk check on the respective message request