[
  {
    "category": "``chime``",
    "description": "[``botocore``] Add support for \"auto\" in Region field of StartMeetingTranscription API request.",
    "type": "api-change"
  },
  {
    "category": "Client",
    "description": "[``botocore``] Improve client performance by caching _alias_event_name on EventAliaser",
    "type": "enchancement"
  }
]