ReleaseMicrosoftMicrosoftpublished Mar 23, 2026seen Jun 26

microsoft/fhir-server release/4.0.704

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microsoft/fhir-server release/4.0.704
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published Mar 23, 2026seen Jun 26captured 1dhttp 200method plain

4.0.704

Repository: microsoft/fhir-server

Tag: release/4.0.704

Published: 2026-03-23T01:08:28Z

Prerelease: no

Release notes:

What's Changed

Azure Health Data Services (SQL)

  • Handle concurrent conflicts by @fhibf in https://github.com/microsoft/fhir-server/pull/5424
  • Fixing token search with system only and e2e test by @SergeyGaluzo in https://github.com/microsoft/fhir-server/pull/5444: A regression was introduced in the last release where searches for token search parameters that only included a system value, and not a code, were returning incorrect results. This issue was fixed on 3/14/2026.
  • Replace sql connection factory by sql retry in search param data store by @SergeyGaluzo in https://github.com/microsoft/fhir-server/pull/5437

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

  • Resource versioning config case insensitive by @mikaelweave in https://github.com/microsoft/fhir-server/pull/5446: On 3/10/2026 a release rolled out that fixed a bug that prevented the resource versioning policy default setting from being honored in the FHIR server. This fix revealed another bug involving a bad configuration setting value that resulted in some requests failing with 500 errors. The issue was fixed on 3/10/2026.
  • Add validation for search parameter URL length by @jestradaMS in https://github.com/microsoft/fhir-server/pull/5454: There was an issue where custom search parameter URLs that were longer than the 128-character limit were allowed into the FHIR server and truncated, resulting in faulty search parameter behavior. This issue has been fixed by adding a validation for search parameter URL length. If the URL length exceeds the limit, the validation will fail and return an error: "Search Parameter URL {0} exceeds the maximum length limit of 128".
  • Revert the 'instantiates' field change by @v-isyamauchi-gh in https://github.com/microsoft/fhir-server/pull/5436

Other Changes

  • Add Tags in Storage account Creation by @v-rachitsh in https://github.com/microsoft/fhir-server/pull/5442

Full Changelog: https://github.com/microsoft/fhir-server/compare/release/4.0.697...release/4.0.704