## Validator Changes
Post DevDays Release - many significant changes!
* Add ```-watch-mode``` parameter (See [doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-Watchmode))
* Start checking constraint expressions defined in profiles and logical models, and update FHIRPath for logical models
* Start checking ElementDefinition.mustHaveValue and ElementDefinition.valueAlternatives
* Start validating derived questionnaires
* Tighten up checking on FHIRPath - enforce use of ```'```, and don't accept ```"``` for string delimiters
* Add ```-allow-double-quotes-in-fhirpath``` parameter ([doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-LegacyFHIRPathSetting))
* Fix error when validating profiles that mix canonical() and Reference() types
* Fix extension context checking
* Fix erroneous FHIRPath expression eld-11 when loading
* Fix incomplete support for ```-display-issues-are-warnings``` parameter
* Fix broken NullFlavor binding in R4
* Fix various NPE errors doing value set validation (+ logging tx operations)
* Minor performance improvements to start up time
* Auto-update implied slicing elements when min < slice min
## Other code changes
* Add CodeQL to the build process
* Various NPE fixes
* Add getValueAsString(TemporalPrecisionEnum) method to date/time types
* Fix rendering for unresolvable ValueSets
* Remove r4b eclipse project files
* Upgrade multiple dependency libraries (per CodeQL)
* Only record sorting errors when generating snapshots when debug mode is on
* Tighten up SSL certificate checking
* Partial refactor of CLI parameter handling
* Fix path regex (per CodeQL)
* Remove erroneous logging from conversion tests
* Rendering improvements for various profile related extensions
* More work on TxTests operation (lenient wrt extensions)
* Fix handling of summary extension (delete duplicate tools summary extension, and don't inherit it)
* Reprocess URLs in Markdown extensions on both StructureDefinition and ElementDefinition
* Improve URL detection in markdown when reprocessing URLs
***NO_CI***
## Validator Changes
* no changes
## Other code changes
* Fix bugs in language handling
* Implement Trivy vulnerability scanning and update POI and okhttp libraries
***NO_CI***
## Validator Changes
* Add support for "Obligation Profiles" (see https://chat.fhir.org/#narrow/stream/179177-conformance/topic/Proposed.20new.20Profile.20features)
* Adjust slice min/max checking to ignore type slices (rules are different in this case)
* Properly handle validating mime/type when terminology server is not available
## Other code changes
* Rework Pipelines - more stability and quicker
* Fix bug where elementmodel.Element.copy() didn't clone children. Users of the Element Model (not the normal model) should check all uses of copy. (Only known users are Validator + IG publisher)
* Add nimbus & ZXing to core library dependencies for forthcoming improved SHC/SHL support
***NO_CI***
## Validator Changes
* Snapshot Generation Changes:
** Check for slicenames without any slicing
** Check that slice names are unique
** Check for additional slicing rules in a set of slices
** Check that the minimum cardinality of a set of slices is correct
* Clean up duplicate errors when dates/dateTimes/instants have invalid formats
* Handle unknown code systems consistently when validating coded elements
* Handle sub-slicing case where slice matches both the slice definition and the sub-slice definition
## Other code changes
* Add support for R4B to loader
* Change type if cache-id parameter
* Change snapshot generation to not update documentation from profile for elements with profiled types that are not extensions
* Add support for TestPlan and SubscriptionTopic in R4 IGs
***NO_CI***
## 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
***NO_CI***
## 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
***NO_CI***
## Validator Changes
* Fix bug accessing canonical resources on servers
## Other code changes
* Various changes to support terminology service testing
***NO_CI***
## 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
***NO_CI***
## 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
***NO_CI***
Grahame Grieve
markiantorno
Grahame Grieve
dotasek
dotasek
James Agnew