[
  {
    "category": "``lightsail``", 
    "description": "Documentation updates for Amazon Lightsail.", 
    "type": "api-change"
  }, 
  {
    "category": "``sts``", 
    "description": "This release adds the SourceIdentity parameter that can be set when assuming a role.", 
    "type": "api-change"
  }, 
  {
    "category": "``comprehendmedical``", 
    "description": "The InferICD10CM API now returns TIME_EXPRESSION entities that refer to medical conditions.", 
    "type": "api-change"
  }, 
  {
    "category": "``rds``", 
    "description": "Clarify that enabling or disabling automated backups causes a brief downtime, not an outage.", 
    "type": "api-change"
  }, 
  {
    "category": "``redshift``", 
    "description": "Added support to enable AQUA in Amazon Redshift clusters.", 
    "type": "api-change"
  }
]