T2S Release 4.0 – Information on the production launch – update


Note: This announcement originally published on 28 February 2020 was updated because of a new version of the PBI list is available.

Clearstream Banking AG, Frankfurt1 informs customers about the upcoming TARGET2-Securities (T2S) Release 4.0. According to the T2S Release Concept the release will be deployed on

the weekend 13 and 14 June 2020
for business day, Monday, 15 June 2020

In this Announcement, CBF outlines the scope of the T2S Release 4.0. In June 2020, T2S will introduce six T2S Change Requests (CRs) in production. These are approved at T2S Steering Level.

In addition, the resolution for T2S Problem Tickets (PBIs) will be delivered. Based on the latest T2S reporting, 16 PBIs have been identified that might have impact on CBF’s customers acting in ICP and / or DCP mode. Customers are recommended to validate these scope elements and check whether operational and / or functional modifications in their procedures are required.

The schedule below shows the milestones related to the upcoming T2S Release 4.0:

March 2020

13 March

Publication of “CBF Customer Simulation Guideline”

24 March

Go / No-Go decision to deploy Release 4.0 to T2S Pre-Production (UTEST) by Operational Managers Group (OMG)

April 2020

3 April

Deployment to T2S Pre-Production (UTEST)

17 April

Deadline for registration “CBF Guided Customer Simulation”

24 April

Publication of “Indicative Timeline for the T2S Release 4.0 Deployment Weekend”

May 2020

4 May

Start of “CBF Guided Customer Simulation”

29 May

CASCADE-PC version 9.8 will be ready for download (mandatory release).

June 2020

8 June

Publication of “Timeline for the T2S Release 4.0 Deployment Weekend”

12 June

End of “CBF Guided Customer Simulation“

15 June

Go-live T2S Release 4.0 and functional launch of CBF T2S related enhancements

Further information

For further information, customers may contact Clearstream Banking Client Services or their Relationship Officer. Particular questions related to this Release Information will be routed to the experts of the T2S Settlement Functionality Team.


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.