From Monday, 17. February, 2020 onwards, the version number of the ETI interface in the T7 production environments will be updated from 8.0 to 8.0.1.

The updated version number will be visible to client applications in the fields “DefaultCstmApplVerID” (1408) and “DefaultCstmApplVerSubID” (28763) of the ETI Logon Response.

Client application software which explicitly checks for a specific ETI version returned in the Logon Response message need to be prepared to accept 8.0.1 in production form 17. February onwards.

With 17. February the fields“DefaultCstmApplVerID” (1408) and “DefaultCstmApplVerSubID” (28763) in the ETI Login Response will be populated as follows:

The Logon Response containing the new version number can be tested in T7 Simulation as the updated version of the ETI software is already in the T7 8.0 Pre-Production and the T7 8.0 Simulation environments since 31. January 2020.

The exact details of the changes for Cash Markets / Xetra which have been implemented with the updated version of the interface (V8.0.1) and which are relevant for the Börse Frankfurt migration only, can be found in the change log of the updated document “T7 Enhanced Trading Interface - Cash Message Reference v.8.0.1-C0004” (published 15. January along with new layouts).

For Derivatives markets / Eurex there is no change at all in the ETI interface (no new interface layouts will be published), as it remains on “D0003”.

Full backwards compatibility for both cash and derivatives markets ETI clients implementing interface version v8.0 is provided and therefore no further action for these clients is required.