Vortex Release Version (October 24, 2023)

• Amex and Discover Key Storage in Redis Cache: Now supports storing and retrieving Amex and Discover keys in Redis cache instead of SQL Server, improving performance and reducing dependency on SQL connections.
• JSON Log Format Update: Logs have been reformatted to JSON, improving integration with Syslog and enabling better alerting through enhanced log-level parsing.
• Fiserv North PTS Certification Fix: Corrected the Terminal Data Output Capability field for both MasterCard and American Express transactions to ensure compliance and avoid transaction rejections.
• Validation for Tag 9F6E: Added validation for Tag 9F6E to ensure compliance with EMV specifications, preventing errors from invalid data lengths in Mastercard transactions.
• Chip and Pin Transaction Error Fix: Resolved issues with Chip and Pin transactions for Visa, Mastercard, and American Express, ensuring successful processing without system errors.
• Checkout API Fixes: Updated Checkout API to properly accept decimal string values for additional amounts and transaction fees, preventing payment failures.
• Credit-Debit Indicator Determination: Corrected the method for setting Credit-Debit indicators based on transaction type rather than amount for improved accuracy in VTX settlements.
• Improved BIN Error Message: Updated the error message for invalid BIN lookups to provide clearer validation feedback rather than system errors.
• MasterCard Negative Adjustment Format Error: Fixed the Format Error 30 for MasterCard negative adjustments and reversals, ensuring compliance with Card Network standards and preventing transaction rejections.
• CVV Validation Across Payment Transactions: Implemented validation for CVV fields to ensure proper entry for all card types, with specific rules for Amex (4 digits) and Visa/Mastercard/Discover (3 digits).