[
  {
    "category": "``snowball``", 
    "description": "Update snowball command to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``polly``", 
    "description": "Update polly command to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``sagemaker``", 
    "description": "Update sagemaker command to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``comprehend``", 
    "description": "Update comprehend command to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "rekognition", 
    "description": "Added top level parameters to rekognition to make it possible to supply images to the operations that require bytes.", 
    "type": "enhancement"
  }
]