[
  {
    "category": "ec2", 
    "description": "Fixed a bug causing some ec2 commands to fail with an invalid parameter combination error when arguments were supplied via --cli-input-json. Resolves `#2452 <https://github.com/aws/aws-cli/issues/2452>`__", 
    "type": "bugfix"
  }, 
  {
    "category": "``batch``", 
    "description": "Update batch command to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``ec2``", 
    "description": "Update ec2 command to latest version", 
    "type": "api-change"
  }
]