HL7 International has published release three of the Fast Healthcare Interoperability Resources (FHIR) standard for trial use (STU), containing thousands of changes in response to the experiences of what are now hundreds of implementations around the world.

FHIR, the brainchild of Melbourne-based health informatician and standards guru Grahame Grieve, is a highly flexible and modern specification framework that uses contemporary web standards and an API based on modern internet conventions.