Scheduled Pre-Release Notifications (PRNs)

Refer to the table below for details of the latest Thredd Pre-Release Notifications (PRNs) and the scheduled system release dates for scheduled releases. For previous pre-release notifications, see Pre-Release Notifications for Past Releases

This page displays PRNs with changes affecting the technical documentation. For a full list of PRNs, including PRNs prior to 2021, please contact the Operations team.

PRN Reference	Description	Related Guides	Scheduled Release
PRN-256	Added a new optional parameter `<Update3DSRecords>` to the Update Cardholder Details (V2) (`Ws_Update_Cardholder_Details_V2`) web service, which can be used to update the 3D Secure email address and mobile number linked to the card.	Web Services Guide	28th October 2025
PRN-249	Updated CLR schema where `DE94_Txn_Orig_ID` now supports a maximum of 16 characters.	Global Transaction Reporting Guide	30th October 2025
PRN-241	Empty values allowed in CURRCODE, ACCTYPE, FINAMT, BLKAMT, AMTAVL within the Global and Balance XML schemas.	Global Balance Reporting Guide Balance XML Reporting Guide	31st October 2025
PRN-266	Modifications to support Tap to More transactions from Mastercard	External Host Interface Guides	4th November 2025
PRN-260	You must now use response code 58 for Refund Declines on both Visa and Mastercard networks. Thredd systems have been updated to use Response Code 58.	Card Status and Response Codes Guide	4th November 2026
PRN-229	Added a note to indicate that card status changes prior to 2022 are no longer retrievable.	Smart Client Guide Thredd Portal Guide Web Services Guide	Q4, 2025