CHANGELOG.md in aws-sdk-ec2instanceconnect-1.21.0 vs CHANGELOG.md in aws-sdk-ec2instanceconnect-1.22.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.22.0 (2022-01-19)
+------------------
+
+* Feature - Adds support for ED25519 keys. PushSSHPublicKey Availability Zone parameter is now optional. Adds EC2InstanceStateInvalidException for instances that are not running. This was previously a service exception, so this may require updating your code to handle this new exception.
+
 1.21.0 (2021-12-21)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
 
\ No newline at end of file