[ { "type": "api-change", "category": "MediaLive", "description": "Added channel state waiters to MediaLive." }, { "type": "api-change", "category": "S3", "description": "This release updates the Amazon S3 PUT Bucket replication API to include a new optional field named token, which allows you to add a replication configuration to an S3 bucket that has Object Lock enabled." } ]