{
    "date": "2019-03-14",
    "version": "2.5.10",
    "entries": [
        {
            "category": "Netty NIO HTTP Client",
            "type": "bugfix",
            "description": "Fix a possible `NullPointerException` if `HttpOrHttp2ChannelPool` is closed while the protocol is still being determined. The operation is now done synchronously with other operations on the pool to prevent a data race."
        },
        {
            "category": "AWS Certificate Manager Private Certificate Authority",
            "type": "feature",
            "description": "AWS Certificate Manager (ACM) Private CA allows customers to manage permissions on their CAs. Customers can grant or deny AWS Certificate Manager permission to renew exported private certificates."
        },
        {
            "category": "Amazon SageMaker Service",
            "type": "feature",
            "description": "Amazon SageMaker Automatic Model Tuning now supports random search and hyperparameter scaling."
        },
        {
            "category": "Amazon Elastic Compute Cloud",
            "type": "feature",
            "description": "This release adds tagging support for Dedicated Host Reservations."
        },
        {
            "category": "AWS IoT",
            "type": "feature",
            "description": "In this release, AWS IoT introduces support for tagging OTA Update and Stream resources. For more information about tagging, see the AWS IoT Developer Guide."
        },
        {
            "category": "AWS Certificate Manager",
            "type": "feature",
            "description": "AWS Certificate Manager has added a new API action, RenewCertificate. RenewCertificate causes ACM to force the renewal of any private certificate which has been exported."
        },
        {
            "category": "Amazon CloudWatch",
            "type": "feature",
            "description": "New Messages parameter for the output of GetMetricData, to support new metric search functionality."
        },
        {
            "category": "Netty NIO HTTP Client",
            "type": "bugfix",
            "description": "Backport `FixedChannelPool` fix from https://github.com/netty/netty/pull/7927, which ensures that the operation doesn't become blocked from closing the wrapped pool."
        },
        {
            "category": "AWS Config",
            "type": "feature",
            "description": "AWS Config - add ability to tag, untag and list tags for ConfigRule, ConfigurationAggregator and AggregationAuthorization resource types. Tags can be used for various scenarios including tag based authorization."
        }
    ]
}