CHANGELOG.md in aws-sdk-ec2-1.230.0 vs CHANGELOG.md in aws-sdk-ec2-1.231.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.231.0 (2021-03-30)
+------------------
+
+* Feature - ReplaceRootVolume feature enables customers to replace the EBS root volume of a running instance to a previously known state. Add support to grant account-level access to the EC2 serial console
+
 1.230.0 (2021-03-24)
 ------------------
 
 * Feature - maximumEfaInterfaces added to DescribeInstanceTypes API
 
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