Mar 02, 2026
Eurex Repo
Eurex Repo Readiness Newsflash | F7 Simulation Release 4.5 update on 16 March 2026 – FIX Upgrade and Optional API Upgrade
The Eurex Repo F7 Simulation environment will be updated to F7 Release 4.5 on Wednesday, 11 March 2025 at 11:00 CET.
Eurex Repo will conduct internal tests on 12 March and 13 March 2026 and the F7 Release 4.5 Simulation period will commence starting Monday, 16 March 2026. With the start of the business day on Thursday, 12 March 2026, the software version for Eurex Repo F7 Simulation will be v004.540.000.
As F7 Release 4.5 is only an optional API upgrade, acceptable version numbers for API clients are “4.4” and “4.5”.
F7 Release 4.5 includes GUI enhancements, optional F7 API changes and F7 FIX Gateway upgrades with the following changes:
Core enhancements
- TLSv1.3 Support, decommissioning of TLSv1.2 support
- Modify Rollover Rate (Extendable Trades)
Trader Permission Changes
- Field Changes
F7 GUI-specific enhancements
- Modify Rollover Rate (Extendable Trades)
- Fast Entry – Max. # SubTrades support
- Linked Quotes – Extra Checks
F7 API-specific enhancements
- Modify Rollover Rate (Extendable Trades)
- F7 FIX Gateway specific enhancements
- Modify Rollover Rate (Extendable Trades)
- F7 MTX specific enhancements
- Field Changes only
TLSv1.3 Support, decommissioning of TLSv1.2 support
With F7 Release 4.5 Repo F7 will only support TLSv1.3.
Starting from the following decommissioning dates, any attempts to connect with TLSv1.2 will be rejected.
- F7 Simulation, 16 March 2026
- F7 Production, 27 April 2026
- F7 Advanced Simulation, 6 May 2026
TLSv1.3 supported ciphers
The following ciphers are supported by Repo F7 services with TLSv1.3:
- TLS_AES_128_GCM_SHA256
- TLS_AES_256_GCM_SHA384
- TLS_CHACHA20_POLY1305_SHA256
More publications about the TLS change can be found on the Eurex website www.eurex.com under:
- Markets > Eurex Repo Market > Eurex Repo Circulars & Newsflashes > Mandatory Migration to TLS 1.3
- Support > F7 Trading System > Implementation News > Decommission of TLS 1.2.
F7 GUI users are strongly recommended to clear the browser cache after the Release introduction to ensure that the newly introduced GUI functionalities behave correctly.
Details on the various enhancements and features are described in the “Eurex Repo F7 4.3 Release Notes" which have been published in the Member Section of Deutsche Börse Group under the following path: Resources > Eurex Repo > System Documentation > Release 4.5
The following documents are also available under the above-mentioned path:
- Eurex Repo F7 4.5 Release Notes
- Eurex Repo F7 GUI – User Manual, Release 4.5
- Eurex Repo F7 FIX Gateway Overview, Manual, Examples and FIX44.XML
- Eurex Repo F7 API Manual, Examples and XSDs
- Eurex Repo F7 MTX User Manual
- Eurex Repo Common Report Engine (User Guide, Download Eligible Securities)
Eurex Repo is planning to launch F7 Release 4.5 on 27 April 2026 in production.
Please note: While the F7 Simulation system is on F7 Release 4.5, the F7 Advanced Simulation remains on the same software version as the F7 Production system: F7 Release 4.4.
Kind regards,
Your Client Services Team
Visit now Eurex Support Trading or Eurex Support Clearing to access a wide array of support content!
Further information
Recipients: | All Trading Participants of Eurex Repo and Vendors | |
Target groups: | Front Office/Trading, IT/System Administration | |
Contact: | repo.sales@eurex.com | |
Web: | www.eurex.com |
