## Validator Changes
* Add format codes ```md``` and ```url``` to FHIRPath escape() and unescape()
* Add second parameter ```s_last``` to FHIRPath join() to use a different separator for the last time (e.g. ```.join(', ', 'and')```)
## Other code changes
* Parse status when parsing FML metadata
* Fix NPE in FHIRPath resolve() for contained resources ([discussion](https://chat.fhir.org/#narrow/stream/179167-hapi/topic/fix.20to.20FHIRPathEngine))
***NO_CI***
## Validator Changes
* no changes
## Other code changes
* Tdy up extensions for R5 release
* Hack R5 observation for fix after QA
* Improve StructureMap rendering again
* Clarify Error messages converting between versions
***NO_CI***
## Validator Changes
* Add support for new ColorRGB code system (special case)
## Other code changes
* Add support for special case code systems internally
***NO_CI***
## Validator Changes
* More validation of StructureMaps
## Other code changes
* Add new R5 version to R4 version enumeration
* Fix for NPE generating profile comparison
* Add FML renderer for StructureMaps + various parsing fixes
***NO_CI***
## Validator Changes
* Fix up issues validating whitespace
* Multiple fixes to StructureMap and ConceptMap validation
## Other code changes
* rename ig-r4.json to ig-r4.jsonx in IGs
* move R5 package to test cases
***NO_CI***
## Validator Changes
* Add ConceptMap validation
* Add StructureMap validation
* Validate using type regex (had been omitted to now, mostly affects decimal validation)
* Add new -output-style values compact and compact-split
* Fix bug validating CDA choice elements without [x] in their names
## Other code changes
* Various fixes and utilities to support StructureMap & ConceptMap validation
* Fix Observation.value conversion between R5 and other versions
* Recognise R4B and R5 core packages
* Improvements to specification diffference engine for R5 publication
* More efficient XHTML AST model
***NO_CI***
## Major change:
* New R5 release - rebuild R5 implementation, update a lot of related code
## Validator Changes
* Load separate R5 extensions package
* Load FML directly, and validate mapping as much as possible
## Other code changes
* Fix bugs in Java R5 code generator
* Add more control at the code level over how to handle unknown profiles when generating snapshots
* Rework ConceptMap for major R5 changes
* Fix bug in CommaGeneratedStringBuilder (calling toString() multiple times duplicated content)
* handle case [reference].where(resolve() is X) when analysing types+elements in FHIRPath statements
***NO_CI***
## Validator Changes
* Fix validation for query references with empty parameter values
* Fix validation for conditional references
## Other code changes
* Fix resource rendering for conditional references
* Fix bug caused by changing DiagnosticReport.conclusion to markdown
* Track target types on references in FHIRPath
* Minor type checking fixes for FHIRPath
* Fix bugs in FHIRPath type checking discovered during R5 preparation
* Add standardsStatus support to core model
* Update okhttp library
* Allow HTTPS for terminology server URL
* Update table generator to suppress external links in base row and column
***NO_CI***
## Validator Changes
* Fix bug checking canonical URLs in bundles with dashes in them
* Fix extension messages (modifier and normal messages reversed)
* Change how error location paths are reported in bundles for easier resolution (no counting!)
* fix bugs checking whether binding is allowed in corner cases
## Other code changes
* Rendering Improvements: Additional Bindings, Search Parameters, Operation Definitions
* FHIRPath implementations for comparable(), highBoundary(), lowBoundary()
* Fix list of canonical resources from VersionUtilities
* Fix bug parsing html entities in XHTML parser
* Rename extension to http://hl7.org/fhir/StructureDefinition/structuredefinition-imposeProfile
***NO_CI***
markiantorno
Grahame Grieve
Grahame Grieve
dotasek