CHANGELOG.md in klaviyo-api-sdk-10.0.0 vs CHANGELOG.md in klaviyo-api-sdk-11.0.0

@@ -2,9 +2,15 @@
 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).
 
+## [11.0.0] - revision 2024-10-15
+### Changed
+  - Improved Retry Logic
+    - To address 429 status codes, we have modified the retry logic to use exponential backoff and the `Retry-After` header.
+    - **Breaking:** Retry logic is now enabled by default. To disable it, set `config.max_retries` to `0`.
+
 ## [10.0.0] - 2024-10-15
 ### Added
 - Universal Content API
   - Read, update, and delete universal content
   - For more information, see our [Universal Content API overview](https://developers.klaviyo.com/en/reference/universal_content_api_overview)