## Validator Changes
* Better tracking and reporting of snapshot generation issues
* Update FHIRPath implementation to R4 with all corrections and extensions from R5 implemnetation
## Other code changes
* Inclusion of SAXON dependency for processing XSLT
* Error message spacing correction
* Basic FTPClient implementation
* test NPE in markdown processing
* go-publish support
* Start implementing loading structure maps with validation
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## Validator Changes
* Add support for fhir_comments in R2/R2B
* Add validator checking around versions in extension URLs
* Fix bug generating cross-version extensions
## Other code changes
* Fix minor NPEs running IG publisher
* Add new PE module (PEDefinition/PEInstance)
* Add support for liquid filters (resolve FHIRPath conflict)
* Fix up round-tripping of XPath constraints R4/R5
* Refactor R5 ProfileUtilities (and move rendering to rendering package)
* Fix appending text when generating snapshots
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If the base text was null, appending a text in the derived element (using "...") would show a "null" before the text. This commit adds the method Utilities.appendDerivedTextToBase() to implement to correct behavior.
## Validator Changes
* Remove use of .fhir/package-client cache (only use the main .fhir/package now)
## Other code changes
* Hack work around for broken template input for R5 OperationOutcome
* Fix up problems with test case consistency in R5 test cases
* Add R5-snapshot3 version enum to R4 version list
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## Validator Changes
* Change Java minimum version from 8 to 11
* Fix Error message missing parameter (very minor fix)
## Other code changes
* Refactoring package-list.json handling
* Upgrade code to latest R5 release (Snapshot 3)
* Fix bug with version patching loading package for the first time + fix bug determining spec reference
* Add Ids to profile spreadsheets
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## Validator Changes
* Change rules around Document and Link Message validation (see [Jira](https://jira.hl7.org/browse/FHIR-39502) and [Zulip](https://chat.fhir.org/#narrow/stream/179252-IG-creation/topic/Entry.20isn't.20reachable.20by.20traversing.20from.20first.20Bundle.20entry) for details)
* Allow https://example in questionnaire example links
## Other code changes
* Rendering Improvements for deprecated codes Including deprecation reason
* Add Accept header fetching JSON
* Fix version comparison bug
* Fixes for producing profile summary in IGs
* Add contents to .index.json and bump to v2
* Fix stated package & version in alternate versions packages
* Refactor ProfileUtilities.generateSnapshot
* Fix bug in XHTML generation around empty tags
* Fix NPE appending slashes
* Fix rendering timing to not use a specific verb
* Fix R2 - RX ValueSet convertor for Code Systems
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## Validator Changes
* Perform canonical resolution using package dependencies even for version specific references (workaround for VSAC bad behaviour)
## Other code changes
* Fix conversion between R3 andR4/R5 for Immunization.notGiven
* Fix parameter handling for tx server responses
* Add cast support for more types in FML implementation
* Fixes to GQL Schema generation
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## Validator Changes
* Improved Loading speed (20% reduction)
* Fix issue handling path on content references on deeply nested content
## Other code changes
* Fix rendering issue when reference.reference missing
* Add rule date to validation messages so new rules can be highlighted
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## Validator Changes
* Validate HTML entities in XHTML in resources
## Other code changes
* Stop producing XHTML entities in resources when rendering
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## Validator Changes
* Minor fix to jurisdiction output (+ handle case where JVM has no locale)
* Add support for extensions parameter
* Make all error messages include version of underlying resource if available
* Accept display for code from ValueSet CLD if no code system available
* Various minor improvements to error messages
## Other code changes
* Minor clean up in test cases
* Fix up i18n support to handle pluralization properly
* Refactor resource narrative generation rules (GenerationRules.X)
* Display resource type in generated narrative
* Add support for generating R4 and R4B packages
* Add support for generating XVer packages
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## Validator Changes
* Add support for R4B to validator (parts were missing)
* Fix bugs in Logical Model snapshot generation and validation (both instances and logical models themselves)
* Check min/max value for decimal values
## Other code changes
* Fix broken links rendering questionnaires
* Fix issue with converting ActivityDefinition.kind between R5 and R4/R4B/R3 (+ update R5 code)
* Fixes to terminology cache management for test cases
* Process relative links in markdown in code descriptions when rendering value sets
* Fix issue with contained resource not always rendering consistently
* Fix bug where Element Model paths are not populated after preforming a transform
* Fix NPE rendering invalid bundles
* refactor Paramters.getParameter helper methods
* Rendering improvements for logical models
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## Validator Changes
* Fix problem determining implicit code system when code system only known to tx.fhir.org
## Other code changes
* Fix bugs generating CDSHooks snapshots
* Fix for NPE rendering Patient Photo
* Fix problem generating snapshots for specializations where inherited types have properties
* Work on i18n framework
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## Validator Changes
* Improve error message for extensions without values
## Other code changes
* Add support for Requirements Resource (rendering + caching)
* Tidy up support for ActorDefinition
* Generate better summary for references
* Clean up bug checking data types in ContextUtilities
* Remove Validator dependency on GSON
* Upgrade validator to produce PSVI for tools to make use of
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## Validator Changes
* Further support for validating CDSHooks content
## Other code changes
* Render period on Identifiers
* Render Tooling IG extensions in Profile table
* Fix NPE building CCDA IG
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## Validator Changes
* Improved Errors for bad resource ids
* R5 ballot: Hack around discovered issues in the ballot
* Enforce value set & code system versioning when validating codes
* Enable bulk -snapshot and -convert on multiple/wildcard -source
* Fix bug revalidating profiled abstract types
## Other code changes
* Rework validator test cases to not have inter-test dependencies (+ fix up to allow contexts to be cloned)
* add First draft of xliff production
* Add ActorDefinition conversions R5 -> R4, R4B, R3
* Add support for validating logical model json files (not surfaced in CLI yet)
* Updates for changes to extension URLs in Tools IG
* Fix map rendering in value sets
* Fix broken link in R4 DeviceUseStatement
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## Validator Changes
* Fix typos in error messages
## Other code changes
* Fix NPE in xig generation
* Fix bug in validator test framework (packages not being loaded properly)
* Remove references to terminology files no longer found in source specification
* Package generation enhancements for R4/R4B
* Support for CDS Hooks validation (not surfaced outside test cases yet)
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dotasek
markiantorno
Quentin Ligier
Grahame Grieve