Health Level-7 or HL7 refers to a set of international standards for the transfer of clinical and administrative data between software applications used by various healthcare providers
Starting a FHIR repository project with IRIS for Health, what are the pros and cons to use R5 instead of R4 ? What is the effort to migrate from R4 to R5 the FHIR repo ? What are the risks or disadvantages to use R5 ?