[
  {
    "category": "``ec2``", 
    "description": "Update ec2 client to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``transcribe``", 
    "description": "Update transcribe client to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``mediapackage``", 
    "description": "Update mediapackage client to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "``codepipeline``", 
    "description": "Update codepipeline client to latest version", 
    "type": "api-change"
  }, 
  {
    "category": "Environment Variables", 
    "description": "Ignore env var credentials is values are empty (`#1680 <https://github.com/boto/botocore/issues/1680>`__)", 
    "type": "enhancement"
  }, 
  {
    "category": "``rds``", 
    "description": "Update rds client to latest version", 
    "type": "api-change"
  }
]