In the upcoming 2026.2 release (now available as a preview) we are adding support for a specific case of a FHIR Read.
This is for the Binary Resource - when GETting a Binary Resource that has some MIME type, and the request Accept header also has the same MIME type, the content returned will not be the FHIR Resource (JSON) itself, but rather the actual binary content. See from the FHIR docs.


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