CHANGELOG.md in search_flip-4.0.0.beta12 vs CHANGELOG.md in search_flip-4.0.0.beta13

@@ -9,9 +9,13 @@
   * It no longer supports question mark methods like `result.title?`
   * It no longer supports method based assignment like `result.some_key = "value"`
 * Added `SearchFlip::Connection#get_cluster_settings` and
   `#update_cluster_settings`
 
+## v3.7.2
+
+* Fix wrong AWS signatures by generating the json before passing it to http-rb
+
 ## v3.7.1
 
 * Fix thread-safety issue of http-rb
 
 ## v3.7.0