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The roadmap to 2031, set by the dates of the EHDS Regulation and its implementing acts, the EUDI and Business Wallets and Simpl-Open. The diamonds are dates set by law or by the programmes; the bars are planning windows set on 2026-10-28. P1 is due by 26 March 2027, P2 by 26 March 2029; P3 is a comment, not a build. The plan is #725.
Regulation (EU) 2025/327 applies in stages (Art. 105): generally from 26 March 2027, secondary use in full from 26 March 2029, further data categories from 26 March 2031. The 2026 implementing acts turn articles into specifications: dataset descriptions (2026/2098), health data in the EUDI Wallet with assurance levels (2026/2099), MyHealth@EU (2026/2083).
Simpl-Open is the Commission's open-source middleware for European data spaces; the EHDS secondary-use data space is in its first wave. The hub meets it as a connector outside its agent, over DSP and DCP, and keeps the health rules in its own extension (ADR-064).
eIDAS 2.0 obliges every Member State to offer a wallet; 2026/2099 makes it how persons identify for the EHDS, at assurance level substantial from 2027 and high from 2030. The German wallet d-you goes into production on 2 January 2027. The European Business Wallet, still in negotiation, lets a person act for an organisation, as a researcher applying for a permit does.
HL7 FHIR R4 with the HL7 Europe guides carries the record and the European exchange format; OMOP CDM 5.4 is the research model; HealthDCAT-AP Release 8 describes datasets as 2026/2098 requires. The hub follows the version each act names, never an older one.
The Dataspace Protocol came from IDSA and is standardised by the Eclipse Dataspace Working Group. DSP negotiates contracts and transfers, DCP proves identity with verifiable credentials, Data Plane Signaling lets the control plane start and stop a data plane. Simpl-Open runs Eclipse EDC too, so these are where the two meet.
Open table formats are how the large data platforms store analytical data. In the hub they belong inside the secure processing environment: OMOP as Iceberg tables behind a REST catalog, with storage credentials handed out only under a valid agreement. That is the spike #649, under #716.
eIDAS 2.0: EUDI Wallet, European Business Wallet
| Issue | What | Priority | Status | Window |
|---|---|---|---|---|
| #708 | EUDI Wallet sign-in to 2026/2099Live since 2026-10-27 (ADR-065); d-you after the SPRIND sandbox registration. | P1 | In progress | 2026-10-27 to 2027-03-26 |
| #709 | European Business Wallet: apply for a permit on behalf of an organisationADR and spike now; built once the regulation is adopted. | P1 | Planned | 2026-11-01 to 2027-03-26 |
| #712 | Healthcare attestations and health professionals in the walletAfter #708. | P2 | Planned | 2027-04-01 to 2028-06-30 |
The EU's data space middleware
| Issue | What | Priority | Status | Window |
|---|---|---|---|---|
| #710 | Trust a Simpl Governance Authority as a credential issuerADR-064, decision 2. | P1 | Planned | 2026-11-01 to 2027-03-26 |
| #719 | HealthDCAT-AP as a profile of Simpl's DCAT-APAfter the Innsbruck schema. | P2 | Planned | 2027-01-01 to 2027-12-31 |
| #722 | Several access bodies as several Governance AuthoritiesAfter #710. | P2 | Planned | 2027-04-01 to 2028-03-31 |
| #723 | Art. 62 fees against Simpl's monetisation modelComment on BP02E and BP14; don't build. | P3 | Planned | 2026-10-28 to 2027-03-31 |
| #724 | DOME: health services findable, usable only inside an SPEComment on BP02F, BP02G and SA12; don't build. | P3 | Planned | 2026-10-28 to 2027-03-31 |
Eclipse Dataspace: DSP, DCP, DPS
| Issue | What | Priority | Status | Window |
|---|---|---|---|---|
| #711 | DSP compatibility kit against a Simpl-Open connectorBlocked until the Hamburg 4.1 code is public. | P1 | Blocked | 2026-11-01 to 2027-03-26 |
| #720 | One Art. 68 permit, one DSP agreement per holderA permit the access body issues, carried out as bilateral contracts. | P2 | Planned | 2027-04-01 to 2028-06-30 |
| #721 | The Art. 71 opt-out at the holder's connectorA person filter when data is handed over. | P2 | Planned | 2027-06-01 to 2028-06-30 |
| #204 | Sealed data permits as credentialsUsed by #709 and #720. | P2 | Planned | 2027-07-01 to 2028-09-30 |
HL7 FHIR, OMOP, HealthDCAT-AP
| Issue | What | Priority | Status | Window |
|---|---|---|---|---|
| #694 | The adopted article numbers and the 2026 implementing actsClosed 2026-10-27. | P1 | Done | 2026-10-01 to 2026-10-27 |
| #700 | HealthDCAT-AP Release 8, valid against the official shapesOn Azure since 2026-10-28 (ADR-063). | P1 | Done | 2026-10-13 to 2026-10-28 |
| #714 | Art. 79: publish the catalogue for harvestingThe EU dataset catalogue reads HealthDCAT-AP. | P2 | Planned | 2027-01-01 to 2027-12-31 |
| #715 | Art. 78: the quality and utility label in the metadataIn the dataset description. | P2 | Planned | 2027-06-01 to 2028-06-30 |
| #713 | Art. 75: a national contact point adapter over eDeliveryAfter the HealthData@EU implementing act. | P2 | Planned | 2027-03-01 to 2028-12-31 |
| #718 | Art. 7 portability on the HL7 Europe guidesFHIR in the European exchange format. | P2 | Planned | 2027-09-01 to 2028-12-31 |
Art. 68 to 73; Apache Iceberg
| Issue | What | Priority | Status | Window |
|---|---|---|---|---|
| #649 | Spike: Apache Iceberg tables with a REST catalog inside the SPEGravitino or Polaris; credentials vended only under a valid agreement. Sub-issue of #716. | P2 | Planned | 2026-11-01 to 2027-02-28 |
| #716 | Art. 73 secure processing environment: a workspace per permitResults leave only after review. | P2 | Planned | 2027-03-01 to 2029-03-26 |
| #717 | Applications: Art. 54 purposes, Art. 81 complaints, Art. 70 templatesTemplates after their implementing act. | P2 | Planned | 2027-03-26 to 2028-09-30 |