CHANGELOG.md in aws-sdk-datapipeline-1.27.0 vs CHANGELOG.md in aws-sdk-datapipeline-1.28.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.28.0 (2021-07-28)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.27.0 (2021-03-31)
 ------------------
 
 * Feature - Minor documentation updates and link updates.
 
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