CX-Saturn
Catena-X Standards
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4 new standards introduced, expanding the foundation for digital engineering master data, requirements exchange, tariffs, and policy constraints (CX-0154, CX-0155, CX-0153, CX-0152)
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15 standards updated to further improve quality, interoperability, and usability
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Improved processes for supply chain disruption and traceability, supporting more robust risk management and transparency (CX-0146, CX-0125)
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Enhanced APIs and data models for product carbon footprint, quality management, and circular economy, enabling more efficient and reliable data exchange (CX-0136, CX-0123, CX-0143)
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Finalized protocols and clearer policy implementation for dataspace connectivity, including update to the final versions of DSP 2025-1 and DCP 1.0, ensuring secure and future-proof integration (CX-0018, CX-0001, CX-0152)
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Extended support for Digital Twins, including update of AAS interfaces based on Release 25-01 of the Specifications of the Asset Administration Shell (IDTA), strengthening asset management and integration (CX-0002)
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Improved Business Partner Data Management (BPDM) standards, especially for master data and gate APIs, for better management of business partner data (CX-0012, CX-0074)
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Updated identity and credential management with new requirements for wallets and verifiable credentials, now supporting "Bring Your Own Wallet" (CX-0149, CX-0049, CX-0050)
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1 standard deprecated to consolidate the standards landscape and improve user-friendliness (CX-0013)
During the recent Deployment Gate for CX-Saturn the proposed standard candidates were reviewed with a strong focus on backward compatibility with CX-Jupiter as well as on potential implementation risks.
The following standards were identified as not fully backward compatibility with CX-Jupiter and to fix this they were allowed to apply the required changes through a fast-track process to be included in the CX-Saturn release:
- CX-0123 - Quality Use Case (v3.0)
- CX-0136 – Use Case PCF (v2.2)
- CX-0143 – Use Case Circular Economy Digital Product (v1.2)
- CX-0154 – Digital Master Data (v1.0)
- CX-0155 – Requirements Exchange (v1.0)
These standards will be released together with the CX-Saturn Go-Live* of all other standards on 25.11.
Catena-X Operating Model
With the CX-Saturn release, the Operating Model strengthens compliance, clarifies governance rules, enhances lifecycle management, and refreshes the service map. The outlook on Self-Sovereign Identity (SSI) has been realigned, highlighting interoperability and standardization as key priorities.
Roles & Compliance
- TISAX Requirements
- TISAX Level 2 becomes mandatory for all OSPs, ESPs, and BAPs effective July 2025, with a 12-month grace period.
- TISAX Level 3 becomes mandatory for CSP-A and CSP-B roles.
- Registration
- Roles including CSP-A, CSP-B, OSP, BAP, AP, and DPC must be registered in the Catena-X data space.
- New Roles
- Digital Clearing House: Defined as the trust anchor for onboarding, legal entity verification, and digital self-descriptions, with support for multiple regional DCHs; clarified prerequisites and current limitations.
- Attestation Provider: Defined as an independent verifier to strengthen trust and assurance within the Catena-X ecosystem.
Governance & Policies
- Internal systems do not need to be listed on the public marketplace.
- Reinforced that all data space participants must comply with governance components such as Trust ID and related mechanisms.
- Removed reference to the deprecated CX-0008 Standard.
Lifecycle Management
- Introduced an Environments section, including details on the Int environment.
Service Map
- Updated to reflect the current state of services.
- Assigned relevant standards to each service.
Strategic Outlook
- The chapter on “Further Integration of SSI Technologies” was refocused:
- Shift from purely technical decentralization towards a broader SSI concept.
- Transition from CSP-provided wallets to a bring-your-own-wallet approach.
- Enablement of all entities to issue, present, and verify credentials, regardless of role.
- Increased emphasis on interoperability across data spaces and alignment with global standards.
Further Information
Details can be found in the changelog
Catena-X Regulatory Framework
The latest update to the Catena-X Regulatory Framework includes adjustments to country clearance lists, the addition of a new contracting chapter, and an updated version of the Data Exchange Governance. These changes ensure that regulatory requirements are accurately reflected and consistently applied.
Updates to Country Clearance Lists
- Ukraine has been added to the Allow List, including additional country information.
- Mexico has been added to the Allow List.
- Turkey has been added to the Allow List.
New Chapter
- Contracting has been introduced as a new chapter in the Regulatory Framework.
Updated Version of Data Exchange Governance
- A new version of Data Exchange Governance (dated 30 September 2025) has been published.
Further Information
Details can be found in the changelog.
Tractus-X reference implementations
The Saturn release combines the Eclipse Tractus-X releases 25.06 and 25.09.
This ensures a solid baseline of updated components together with new capabilities for data sovereignty, interoperability, and traceability.
Non-compatible or other compatible versions of the Tractus-X release or the apps are listed below. If a version is interoperable with the initial release version and those features and with all other listed versions its listed as compatible.
Compatible versions
CX-Jupiter
| Component | Versions |
|---|---|
| Tractus-X Connector (Eclipse Dataspace Components Connector) | 0.7.7 0.8.0 0.8.1 0.9.0 0.10.0 |
CX-Saturn
| Component | Versions |
|---|---|
| Tractus-X Connector (Eclipse Dataspace Components Connector) | 0.11.0 [Latest] |
Please ensure that you carefully review the current known knowns, familiarize yourself with the updated policy changes, and adhere to the migration guidelines.
Important: Please be aware that based on the Catena-X standard CX-0018 you MUST use the Tractus-X Connector version 0.11.0 and higher to be compatible.
Non-compatible versions
| Component | Versions |
|---|---|
| N/A | N/A |
Further Scope Clarification
To uphold the integrity and reliability of the onboarding process, there will be a temporary change of the standards. This change is in-line with a feature supported in the current reference implementation.
- CX-0006.
- The standard has been slightly adjusted. Onboarding service providers and core service providers must continue to support the possibility of creating a Self-Description (SD) of the Legal Person. However, this requirement is no longer strictly tied to the initial registration process; the creation of the SD can now occur at a later stage. For any SDs that are issued, they must be stored in a central location and must comply with GAIA-X standards and guidelines.
The functionality of Catena-X and the security framework will remain unaffected furthermore the validation of company data and identifiers will continue as usual.