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* api-change:``ecr``: This release adds additional support for repository replication
* api-change:``comprehend``: Amazon Comprehend now supports versioning of custom models, improved training with ONE_DOC_PER_FILE text documents for custom entity recognition, ability to provide specific test sets during training, and live migration to new model endpoints.
* api-change:``ec2``: This update adds support for downloading configuration templates using new APIs (GetVpnConnectionDeviceTypes and GetVpnConnectionDeviceSampleConfiguration) and Internet Key Exchange version 2 (IKEv2) parameters for many popular CGW devices.
* api-change:``iot``: This release adds support for verifying, viewing and filtering AWS IoT Device Defender detect violations with four verification states.