7.2.0

urbanairship 7.2.0

• Adds new fields to the SMS class for enhanced opt-in management:
  • opted_out: Optional datetime for tracking when users opt out of SMS messages
  • opt_in_mode: Optional string ("classic" or "double") for opt-in mode configuration
  • properties: Optional dict for event properties used with double opt-in
• Updates SMS payload structure to properly handle different API contexts:
  • Registration payloads exclude opt_in_mode, properties, and opted_out
  • Update payloads include opted_out but exclude opt_in_mode and properties
  • Create-and-send audience includes all fields including ua_opted_out
• Fixes a bug where the EmailAttachment class was not properly encoding file data.