[ { "type": "feature", "category": "CloudTrail", "description": "This release of AWS CloudTrail supports configuring your trail with event selectors. Use event selectors to specify the type of events that you want your trails to log. You can configure event selectors to log read-only, write-only, or all events. CloudTrail supports logging Amazon S3 object level APIs such as GetObject, DeleteObject, and PutObject. You can configure event selectors for your trail to log object level operations." }, { "type": "feature", "category": "ECS", "description": "ECS will include a new field named `version` in API responses relating to tasks and container instances. Version is a number that increments every time a change has been made to the associated resource. Users replicating their ECS resource state can use the version field reported by the ECS APIs to determine if their local state is fresh." } ]