Core

• New, improved branch locking capabilities for more reliable lock management during transactions (#1353)

FHIR

• Support RFC7240 Prefer header (#1336)
  • Prefer handling=lenient and handling=strict are supported values
  • Default behavior is lenient to keep compatibility with older systems
• Improve compatibility with BCP-47 language tags (#1339)
  • Support the official SNOMED on FHIR BCP-47 private use language tag format

SNOMED CT

• Reintroduce and improved 7.x style SNOMED CT Reference Set to DSV exporter (Java API only) (#1349, #1351)

Security

• Mitigate CVE-2024-38821, CVE-2024-47764, CVE-2024-29025, CVE-2024-47535

Bugs/Improvements

• [core] fixed an issue where certain async executed requests would not propagate authorization information properly and resulted in missing authorization token errors (#1346)
• [snomed] prevent failing RF2 imports when an existing remote job document is too large for the current Elasticsearch sizing (#1344)
• [snomed] ensure that only RF2 Delta import generate actual visited component results in the remote job index (#1344)
• [snomed] exclude irrelevant axiom types when validation SNOMED CT content based on MRCM (#1342)
• [snomed] significantly improve performance of bulk SNOMED CT component inactivations by caching association refsets and skipping zero result query executions (#1350)

Dependencies

• Upgrade fhir-core to 0.2.0 (hl7.fhir.core 6.4.0)
• Upgrade Spring to 6.2.0
• Upgrade Spring Security to 6.4.1
• Upgrade SpringDoc to 2.7.0
• Upgrade Swagger libraries to 2.2.25
• Upgrade Netty to 4.1.115.Final
• Upgrade Tycho to 4.0.10