[
  {
    "category": "``ec2``", 
    "description": "Adding a new reserved field to support future infrastructure improvements for Amazon EC2 Fleet.", 
    "type": "api-change"
  }, 
  {
    "category": "``sagemaker``", 
    "description": "SageMaker model registry now supports up to 5 containers and associated environment variables.", 
    "type": "api-change"
  }, 
  {
    "category": "``sqs``", 
    "description": "Documentation updates for Amazon SQS.", 
    "type": "api-change"
  }
]