CHANGELOG.md in aws-sdk-cloudwatch-1.63.0 vs CHANGELOG.md in aws-sdk-cloudwatch-1.64.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.64.0 (2022-04-14)
+------------------
+
+* Feature - Updates documentation for additional statistics in CloudWatch Metric Streams.
+
 1.63.0 (2022-04-13)
 ------------------
 
 * Feature - Adds support for additional statistics in CloudWatch Metric Streams.
 
\ No newline at end of file