org.hl7.fhir.core/RELEASE_NOTES.md

Validator:

• Add support for $index on aggregators in FHIRPath
• don't fail with an exception if an unknown resource type appears in contained resource
• improved validation for some value sets that are based on unknown code systems
• add the -verbose parameter, and add additional verbose messages
• CDA: Fix erroneous type validation on CDA templates

Snapshot generator:

• CDA: Suppress erroneous "Expansion" text appearing in view
• CDA: Don't delete binding information in snapshot for CDA bindable data types

Other code changes:

• Fix rendering of slices so type on slicer is not hidden
• Fix rendering for most resources - remove empty tables (e.g. text element, that shouldn't render)
• Fix NPE rendering code systems with some kinds of properties
• Improve rendering of questionnaires (icons, option sets)
• Rendering: add support for CodeableReference
• Rendering: Support binding mode and XML element information