[
  {
    "category": "RequestSigner", 
    "description": "`RequestSigner.generate_presigned_url` now requires the operation name to be passed in. This does not affect using `generate_presigned_url` through a client.", 
    "type": "bugfix"
  }, 
  {
    "category": "``rds``", 
    "description": "Update rds client to latest version", 
    "type": "feature"
  }, 
  {
    "category": "``directconnect``", 
    "description": "Update directconnect client to latest version", 
    "type": "feature"
  }, 
  {
    "category": "RequestSigner", 
    "description": "Allow `botocore.UNSIGNED` to be used with `generate_presigned_url` and `generate_presigned_post`.", 
    "type": "feature"
  }, 
  {
    "category": "``ec2``", 
    "description": "Update ec2 client to latest version", 
    "type": "feature"
  }, 
  {
    "category": "``cognito-identity``", 
    "description": "Update cognito-identity client to latest version", 
    "type": "feature"
  }, 
  {
    "category": "``iam``", 
    "description": "Update iam client to latest version", 
    "type": "feature"
  }
]