CHANGELOG.md in aws-sdk-guardduty-1.83.0 vs CHANGELOG.md in aws-sdk-guardduty-1.84.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.84.0 (2023-11-27)
+------------------
+
+* Feature - Add support for Runtime Monitoring for ECS and ECS-EC2.
+
 1.83.0 (2023-11-22)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.