ReleaseMicrosoftMicrosoftpublished Oct 7, 2025seen Jun 26

microsoft/fhir-server release/4.0.540

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microsoft/fhir-server release/4.0.540
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published Oct 7, 2025seen Jun 26captured 5dhttp 200method plain

4.0.540

Repository: microsoft/fhir-server

Tag: release/4.0.540

Published: 2025-10-07T18:28:18Z

Prerelease: no

Release notes:

What's Changed

Azure Health Data Services (SQL)

  • Not Referenced Specific Fields by @LTA-Thinking in https://github.com/microsoft/fhir-server/pull/5148: Adds the ability to use not referenced search to look for the lack of specific references. For example, to search for Patients without an Encounter listing them as a subject: /Patient?_not-referenced=Encounter:subject

Common to both Azure API for FHIR and Azure Health Data Services

  • Implementing $expand operation on ValueSet. by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5160: Implementing $expand operation on ValueSet and UT/E2E tests based on the HL7 specification.
  • Fix reference remover by @LTA-Thinking in https://github.com/microsoft/fhir-server/pull/5171: Bug fix for bulk delete remove references feature - Previously, when performing a bulk delete with "remove references," if a resource has a reference removed and another reference remains—whose ID contains the ID of the removed reference but does not exactly match it—that second reference will also be removed unintentionally. This issue has been fixed by changing from contains check to exact match for ID checking, and only the correct reference will be removed now.
  • Fixing bugs in $docref. by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5173: Fixed a bug in $docref converting Parameters to IReadOnlyList> when there are more than one parameters in Parameters with the same name.
  • Enabling $docref and $expand by default. by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5179

Other Changes

  • Fixing ValidateTests to check expected profiles only. by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5174
  • Fixing the max count test validation in BasicSearchTests. by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5178

Full Changelog: https://github.com/microsoft/fhir-server/compare/release/4.0.533...release/4.0.540