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

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.28.0 (2021-11-18)
+------------------
+
+* Feature - NEW CreateExplanability API that helps you understand how attributes such as price, promotion, etc. contributes to your forecasted values; NEW CreateAutoPredictor API that trains up to 40% more accurate forecasting model, saves up to 50% of retraining time, and provides model level explainability.
+
 1.27.0 (2021-11-04)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
 
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