microsoft/fhir-server release/4.0.646

4.0.646

Repository: microsoft/fhir-server

Tag: release/4.0.646

Published: 2026-02-02T03:15:10Z

Prerelease: no

Release notes:

What's Changed

Azure Health Data Services (SQL)

• [Bundle] Do not merge operations with precondition failures by @fhibf in https://github.com/microsoft/fhir-server/pull/5359: Ensures bundle processing no longer merges operations that fail precondition checks.

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

• Speed up local tests, log id, and document includes usage by @LTA-Thinking in https://github.com/microsoft/fhir-server/pull/5349: Improves local test performance, enhances logging
• Add RFC-compliant error handling for TokenIntrospectionController by @mikaelweave in https://github.com/microsoft/fhir-server/pull/5348: Implements standards‑based error responses for token introspection failures.
• Fix SearchParameter pagination bug - move TOP to outer query by @jestradaMS in https://github.com/microsoft/fhir-server/pull/5362: There was an issue where a pagination bug in FHIR search queries caused resources to be intermittently skipped when results span multiple pages and use continuation tokens. The issue is fixed.

Other Changes

• Use Powershell 7+ by @paorodma-ms in https://github.com/microsoft/fhir-server/pull/5346
• Added variable for test jobs timeout by @paorodma-ms in https://github.com/microsoft/fhir-server/pull/5354

Package Updates

• Update SDK versions: .NET 9.0.310, .NET 8.0.417 by @Copilot in https://github.com/microsoft/fhir-server/pull/5356

Full Changelog: https://github.com/microsoft/fhir-server/compare/release/4.0.639...release/4.0.646