The UK Core uses Simplifier NPM packages to release the FHIR Conformance Assets.
The UK Core Packages are located with the Project Packages area.
Further information on Packages is available in the Simplifier documentation.
These packages may be used to validate conformance of an implementation of FHIR against a particular version or versions of the UK Core. For more information on conformance to UK Core see the Claiming Conformance to UK Core .