[ { "type": "bugfix", "category": "S3", "description": "Fixes an issue introduced in 3.31.0 that was not setting the ContentLength for all MultipartUploader::createPart streams, therefore potentially using an incorrect, $options['params'] value." }, { "type": "api-change", "category": "AutoScaling", "description": "Auto Scaling now supports a new type of scaling policy called target tracking scaling policies that you can use to set up dynamic scaling for your application." }, { "type": "enhancement", "category": "SWF", "description": "Added support for attaching control data to Lambda tasks. Control data lets you attach arbitrary strings to your decisions and history events." } ]