R4-2026 Release Notes

Release Date: September 15, 2026

Products: RX5000, DX4000

Release Focus: Accessibility, User Experience, Payment Reliability, Transaction Processing, Reporting and Portal Improvements

Component Versions

Component	Version
Payment Application	2026.4.4
AIC	2026.1.3
Cloud AIC	2026.4.0
UC Core Transaction Processor	2026.4.0
Portal	2026.4.0

Release Items

Reference	Feature	Description	Components
UCP-5350	PIN Verification for Coop Corporate Cards	Implemented support to ensure PIN verification is requested for eligible Coop Corporate Card transactions.	PA
UCP-5347	Improved Mobile Payment User Experience	Improved customer experience when using NFC mobile payments while the device screen is inactive or locked.	PA
UCP-5287	Improved Card Reading Error Messages	Clearer customer guidance for card-reading failures across NFC, chip, and magnetic stripe transactions.	PA
UCP-5268	Enhanced NFC Card Detection and Customer Guidance	Reduced unnecessary contactless payment errors and improved customer guidance.	PA
UCP-5249	Improved NFC Reader Guidance	Improved on-screen guidance and animations to assist users with contactless card placement.	PA
UCP-5241	Improved Validation of Xtra Sale Response Codes	Enhanced validation and handling of unsupported response codes.	PA, Unified Commerce
UCP-5167	Latest Transactions Displayed First	Most recent transactions are now displayed first in the terminal transaction list.	PA
UCP-5166	Corrected Pending Voucher Messages	Clearer customer messaging when a voucher transaction is already being processed.	PA
UCP-5165	Mobile Terminal Stability Improvements	Improved terminal stability when viewing transaction details.	PA
UCP-5164	Improved Callback Reliability for Pre-Authorizations	More reliable callback handling for pre-authorization transactions.	UC Core Transaction Processor
UCP-5140	Standalone Payments on DX4000	DX4000 now supports standalone payment transactions.	PA
UCP-5139	Netherlands Merchant Support	Added support for Dutch merchant onboarding and transaction processing.	UC Core Transaction Processor
UCP-5134	Keypress Sound During PIN Entry	Audible feedback is now provided during PIN entry.	PA
UCP-5133	Include Terminal Serial Number in Login Response	Login Response now includes `POISerialNumber`.	PA
UCP-5008	Refined Terminal Audio Feedback	Improved audio feedback during card-reading failures.	PA
UCP-4915	Improved CSV Export Handling	Improved handling of special characters in exported CSV files.	Portal
UCP-4903	Mastercard Transaction Link ID Support	Added support for Mastercard Transaction Link ID with Elavon.	UC Core Transaction Processor, UC Settlement
UCP-4855	Meal Voucher Response Code Mapping	Improved response-code mapping for meal voucher processors.	UC Core Transaction Processor
UCP-4819	Improved Transaction Status Handling	More accurate transaction-status handling in Portal and reports.	Portal
UCP-4747	Accessibility Mode via Cloud AIC	Accessibility Mode can now be activated through Cloud AIC payment requests.	Cloud AIC, PA
UCP-4746	Accessibility Mode on DX4000	Accessibility Mode can be activated directly from the idle screen.	PA
UCP-4719	Offline BankAxept Mobile Wallet Support	Added support for offline BankAxept transactions using supported mobile wallets.	PA
UCP-4647	Cryptographic Performance Improvements	Improved terminal performance for cryptographic operations.	PA
UCP-4156	Merchant Reference Support	Merchant references can now be stored, searched, and reported.	PA, Portal, UC Core Transaction Processor
UCP-4154	Transaction Type in Last Transaction Details	Transaction type is now displayed in Last Transaction Details.	PA
UCP-4151	Original and Authorized Amounts	Transaction details now show both Original and Authorized Amount.	PA
UCP-3821	Accessibility Mode via On-Premise AIC	Accessibility Mode can now be activated from On-Premise AIC payment requests.	AIC, PA
UCP-3753	Support for Deleting Inactive Terminals	Administrators can now delete inactive terminals.	Portal
UCP-1722	User Activity Log	Added activity logging with filtering and export capabilities.	Portal

Notes

Information	Details
Activation Requirements	Some functionality may require activation by Aera before becoming available.
Availability	Functionality may vary by country, acquirer, merchant configuration, and terminal type.
Support	Contact Aera Support for questions related to this release.
Version Support	Main releases are supported for two years from their initial release date.

Previous Releases

R3-2026

Release content goes here.

R2-2026

Release content goes here.
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