CHANGELOG.md in aws-sdk-ecr-1.65.0 vs CHANGELOG.md in aws-sdk-ecr-1.66.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.66.0 (2023-11-17)
+------------------
+
+* Feature - Documentation and operational updates for Amazon ECR, adding support for pull through cache rules for upstream registries that require authentication.
+
 1.65.0 (2023-09-27)
 ------------------
 
 * Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.