Added #

• Added PaymentCurrency enum with support for a wide range of currencies based on ISO 4217.
• Added Missing documentation for all public members to improve code readability and maintainability.

Changed #

• Translated the CHANGELOG from Korean to English.
• Converted enum values in CashReceiptTradeOption to snake case for consistency.

Added #

• Initial integration of PortOne V2 payment service
• Implementation of payment process using the PortonePayment widget
• Support for multiple payment methods (credit card, virtual account, easy-pay, etc.)
• Implementation of payment request model (PaymentRequest) and payment response model (PaymentResponse)
• Added PGCompany enumeration to support various PG companies
• Added PaymentSupportedMethods extension for checking supported payment methods per PG company
• Functionality for handling payment callbacks via app schemes
• Option to configure payment window type (iframe, popup)
• Multilingual support (Korean, English)
• Localization support for PG company names
• Support for multiple currencies (according to the ISO 4217 standard)
• Support for country information (according to the ISO 3166-1 alpha-2 standard)
• Added bypass parameter support for each PG company:
  • e.g., KakaoPay, Toss Payments, Toss Pay V2, KSNET, Smartro V2, Naver Pay, etc.
• Support for transmitting additional information such as custom data, store information, and shipping address
• Error handling and logging functionality

Changed #

• Renamed class from PortOnePayment to PortonePayment for consistency

Fixed #

• Improved handling of intent URL processing
• Improved payment response processing via app scheme
• Modified field type in PaymentRequest model (changed isEscrow to nullable)
• Changed paypal to convenienceStore in the PaymentPayMethod enumeration