Information on the production launch in July 2022 – T2S Release 6.0 - Final Update


Note: This announcement, originally published on 24 January 2022, updated on 8 March 2022, 1 April 2022, following Announcement D22011, and on 2 May 2022, has been modified to reflect further Problem Tickets with T2S Release 6.0. Changes have been highlighted.

Clearstream Banking AG, Frankfurt1 informs customers about the upcoming deployment of the T2S Release 6.0

the weekend 2 and 3 July 2022
for business day Monday, 4 July 2022

whose introduction to production has been approved by the Market Infrastructure Board (MIB) on 23 June 2022.

In this Announcement, CBF outlines the scope of the T2S Release 6.0. As communicated to customers, T2S will introduce 15 Change Requests (CRs) in production. 

In addition, the resolution for T2S Problem Tickets (PBIs) will be delivered. The list provided on 2 May 2022 showing nine PBIs that might have impact on CBF’s customers acting in ICP and / or DCP mode, remains valid. Customers are recommended to validate these scope elements and check whether operational and / or functional modifications in their procedures are required.

In addition to the previous documentation, CBF provides a list of all release defects that were accepted for bug fixing during the T2S functional test, but for which the adaptation of the T2S software cannot take place with the launch of T2S Release 6.0. These issues will be prioritised and implemented with future T2S releases. CBF will announce the issue resolution in the related release documentation.


For further information, customers may contact Clearstream Banking Client Services or their Relationship Officer. Questions related to the technical connection can be addressed to Connectivity Support. Particular questions related to the production launch in July 2022 will be routed to the experts of the T2S Release Management.


1. This Announcement is published by Clearstream Banking AG (CBF), registered office at Mergenthalerallee 61, 65760 Eschborn, Germany, registered with the Commercial Register of the District Court in Frankfurt am Main, Germany, under number HRB 7500.