[ { "type": "enhancement", "category": "Pinpoint", "description": "Update SMS message model description to clearly indicate that the MediaUrl field is reserved for future use and is not supported by Pinpoint as of today." }, { "type": "api-change", "category": "S3", "description": "Bucket owner verification feature added. This feature introduces the x-amz-expected-bucket-owner and x-amz-source-expected-bucket-owner headers." }, { "type": "api-change", "category": "CloudFront", "description": "Cloudfront adds support for Brotli. You can enable brotli caching and compression support by enabling it in your Cache Policy." }, { "type": "enhancement", "category": "EBS", "description": "Documentation updates for Amazon EBS direct APIs." }, { "type": "feature", "category": "SSOAdmin", "description": "This is an initial release of AWS Single Sign-On (SSO) Access Management APIs. This release adds support for SSO operations which could be used for managing access to AWS accounts." } ]