[
  {
    "category": "``cloudformation``",
    "description": "We added 5 new stack refactoring APIs: CreateStackRefactor, ExecuteStackRefactor, ListStackRefactors, DescribeStackRefactor, ListStackRefactorActions.",
    "type": "api-change"
  },
  {
    "category": "``connectcases``",
    "description": "This release adds the ability to conditionally require fields on a template. Check public documentation for more information.",
    "type": "api-change"
  },
  {
    "category": "``cost-optimization-hub``",
    "description": "This release enables AWS Cost Optimization Hub to show cost optimization recommendations for Amazon Auto Scaling Groups, including those with single and mixed instance types.",
    "type": "api-change"
  },
  {
    "category": "``s3``",
    "description": "Updated list of the valid AWS Region values for the LocationConstraint parameter for general purpose buckets.",
    "type": "api-change"
  },
  {
    "category": "Eventsteam",
    "description": "The SDK no longer validates payload size for eventstreams. This is to facilitate varying payload requirements across AWS services.",
    "type": "enhancement"
  }
]