## 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
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## Validator Changes
* Fix NPE validating StructureMap
* Improve error message about uri values
* Fix for wrong display when server returns error
* Slight improvement in performance
* Fix FHIRPath split function (parameter is not regex)
* Stop warning that Markdown autolinks need to be escaped
* Allow NPM package versions to have the form {id}#{url} for direct access to packages
## Other code changes
* Support for NamingSystem conversion of url, version, and title (for THO)
* Update Conversion package docs (#1257) …
* Return codeableConcept from validate-code
* Refactor: Resource Root Elements Conversion
* Minor fixes for R5 redirector
* Fix bug handling filter, and refactor terminology code
* Fix for dstu2016may Resource equals methods (#1251) + Tests a
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## Validator Changes
* Fix bug accessing canonical resources on servers
## Other code changes
* Various changes to support terminology service testing
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## Validator Changes
* Structure map validation improvements
## Other code changes
* Fix wrong name for systemVersion Parameter
* Language improvements for Lang Packs
* Fix up StructureMap R4/R5 conversion
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## Validator Changes
* Improved Error messages when code is not in value set + various typo fixes
* Updated Dutch translations for error messages
* More informative failures when questionnaire value set validation fails
* Warnings when extension context is 'Element'
* Fix missing source id for tx server messages in validation output
## Other code changes
* Move HTTP logging to a sub-directory of temp
* Default to text log not HTML log for terminology logging, and don't spuriously escape the text log
* Use JSON not XML by default when using R4 terminology service
* Add support for R6 final version
* Bump HAPI to 6.4.1
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## Validator Changes
Note: This validator release is accompanied by a new release of tx.fhir.org, and earlier versions
of the validator will not perform validation correctly for some valuesets and languages. This is
in effect a mandatory upgrade
* Major **Breaking** change: test multi-lanugage support on the terminology service API, and make many fixes.
** This release also includes full support for supplements providing designations and properties
* Add support for -install operation to install packages and generate snapshots while at it (support simplifier packages in sushi)
* Add support for ```lang-transform extract``` and ```-lang-transform inject``` to the validator (start of multi-lingual implementation support)
* Add support for -tx-tests to validator
* Change settings file to fhir-settings.json in .fhir, instead of fhir-tools-setting.ini (see [here](https://confluence.hl7.org/display/FHIR/Using+fhir-settings.json) for documentation)
* Add provisional support for running without a network: -no-network. Beware: this is not fully tested at this point
* Warning not error when the code system isn't known validating questionnaires
* Fix up loading of IG bundles
* Work around issue with R5 path in extensions pack
* Fix issue with SearchParameter validation throwing an exception if no expressions are valid
## Other code changes
* Code to support translation functionality
* Partial fix for problem parsing maps from previous versions
* Fix Code System rendering for supplements, and when there's 1..2 display translations
* Remove spurious header from ConceptMap rendering
* Return ID part correctly when FhirPath expression result is converted to string
* fix problem with leaf rendering in profile driven renderer
* Fix R4B tests to be based on R4B
* fix index error validating HierarchicalTable
* fix NPE in requirements renderer
* Fix NPE in code generator
* Rework package cache manager - add testing mode
* Add link to questionnaire rendering questionnaireResponse + Fix access violation rendering questionnaire
* Fix bugs generating narratives
* Defining the existence of R6
* i18n framework for HTML generation in renderers - step #1
* Re-org validation testing to be more memory efficient
* Better error handling loading resources
* Restore broken R4 loading
* Add new R5 fields to R4/R5 conversion for ValueSet
* minor changes two HumanName.getNameAsSingleString (missed family name)
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Richard Ettema
markiantorno
Grahame Grieve
Sean McIlvenna
Grahame Grieve
dotasek