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-291	New Mastercard TLID fields added to EHI	EHI Guide (XML) EHI Guide (JSON)	26th May 2026
PRN-290	Added SenderOrganizationName and ReceiverOrganizationName fields to comply with Mastercard Send transaction enhancements on participant data.	EHI Guide (XML) EHI Guide (JSON)	27th May 2026
PRN-294	Added the `P72` Mastercard Scheme Transaction Identifier value.	EHI Guide (XML) EHI Guide (JSON)	2nd June 2026
PRN-296	The Get Card Data endpoint has been updated to use an RSA PKCS#1 v2.2 (OAEP) key pair for enhanced security.	API Hub - Get Card Data Core API - Get Card Data	2nd June 2026
PRN-303	Included the following fields in the Global Transaction XML reports:	Global Transaction Reporting Guide	29th June 2026