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--- a/CHANGES.md
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@@ -2,6 +2,9 @@
 
 This document describes the relevant changes between releases of the API model.
 
+## 0.0.312 August 25 2023
+- Updated existing API's and added support for `Addon Installations` endpoints
+
 ## 0.0.311 August 21 2023
 - Add a new resource to OSL clusters/cluster_logs