CHANGELOG.md in aws-sdk-cloudformation-1.87.0 vs CHANGELOG.md in aws-sdk-cloudformation-1.88.0

@@ -1,7 +1,12 @@
 Unreleased Changes
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+1.88.0 (2023-07-28)
+------------------
+
+* Feature - This SDK release is for the feature launch of AWS CloudFormation RetainExceptOnCreate. It adds a new parameter retainExceptOnCreate in the following APIs: CreateStack, UpdateStack, RollbackStack, ExecuteChangeSet.
+
 1.87.0 (2023-07-24)
 ------------------
 
 * Feature - This release supports filtering by DRIFT_STATUS for existing API ListStackInstances and adds support for a new API ListStackInstanceResourceDrifts. Customers can now view resource drift information from their StackSet management accounts.