|FHIR Infrastructure Work Group||Maturity Level : N/A||Standards Status : Informative|
This specification is currently in its third round of trial use. While some parts of the specification are mature and stable, and HL7 is focusing on moving these to a formal standard, much work remains to be done in other areas. The following general areas of functionality have been deferred to a future version, or are incompletely covered in this version:
For some of these, some draft content is included in the specification for implementer consideration.
In addition, there are a number of specific notes in the specification requesting feedback from implementers: