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

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.57.0 (2023-12-22)
+------------------
+
+* Feature - This release adds the DescribeSourceMetadata API. This API can be used to view the stream information of the flow's source.
+
 1.56.0 (2023-11-28)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.