[
  {
    "category": "``aws cognito-sync``", 
    "description": "Add support for Amazon Cognito Events.", 
    "type": "feature"
  }, 
  {
    "category": "Parsing", 
    "description": "Treat empty XML nodes in a response as an empty string instead of ``None`` if the underlying structure member is a string. This fixes the broken ``password-data-available`` Amazon EC2 waiter. **Note**: this changes the output of the CLI and may affect filtering with the ``--query`` parameter. (`issue 1252 <https://github.com/aws/aws-cli/issues/1252>`__, `botocore issue 506 <https://github.com/boto/botocore/pull/506>`__)", 
    "type": "bugfix"
  }
]
