org.hl7.fhir.core/RELEASE_NOTES.md

Validator Changes

• Update terminology for changes to tx validation policy: Wrong displays change from a warning to an error
• Add parameter -display-issues-are-warnings for restoring original behaviour that display issues are warnings
• Relax constraints on Reference targets for logical models
• Update dutch and german validation error messages + minor improvements to error messages
• Fix r5 url for package fetch (#1260) …

Other code changes

• Fix up all terminology cache tests
• Switch to System.err for now + report missing constants
• Add I18n tests for coverage and plural validity + fix missing messages
• Partial fix for R4/R5 conversion issues