CHANGELOG.md in aws-sdk-cloudformation-1.56.0 vs CHANGELOG.md in aws-sdk-cloudformation-1.57.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.57.0 (2021-09-01)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.56.0 (2021-08-30)
 ------------------
 
 * Feature - AWS CloudFormation allows you to iteratively develop your applications when failures are encountered without rolling back successfully provisioned resources. By specifying stack failure options, you can troubleshoot resources in a CREATE_FAILED or UPDATE_FAILED status.
 
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