C++

• Adds an ErrorReporter to expose encountered profile conversion and validation issues
• Improves FHIRPath handling of Decimal primitives, adds support for FHIRPath substring functions, and includes general FHIRPath performance improvements
• Minor performance improvements and bug fixes to parsing/printing

Bug Fixes

• Ensure FHIR Date/Datetime year is always printed with four digits according to the specification
• Properly resolve X.reference to a string during FHIRPath evaluation
• Fix FHIRPath handling of the union operator
• Fix handling of parsing complex Extensions with singular repeated fields
• Fix FHIR parser race condition present in memoization

Go

• Deprecated proto.MessageV1 APIs are migrated to proto.MessageV2
• Marshalling extension fields to the analytic schema will now fail as conflicting if the field name differs only by case