## Validator Changes
* Fix issues with multiple terminology servers (should be live soon)
* Rework terminology system & cache to support new terminology server ecosystem
* Handle value set with exclusion filters when expanding
* Fix to consistent error messages when value sets can't be resolved
## Other code changes
* Fix bug processing empty structure maps
* Performance improvements to common IO routines, with test cases - see https://blog.qligier.ch/posts/2024-improving-perf-ig-publisher-io/ (thanks to Quentin Ligier)
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## Validator Changes
* Major rework of tx and validation test cases associated with reworking terminology / validator interface and ongoing testing + reconciliation with Ontoserver
major upgrade to validation - use terminology server to perform more logic, and standardise interface based on agreements with Vocab & Ontoserver
* Improve slicing error message
* Add warning to user when referencing an extension that doesn't exist in FHIRPath
* Fix bugs in FHIRPath implementation of split() and join()
* Fix bug handling null objects in JSON (R5)
* Fix for missing search parameter definition in R4
* fix bug handling XML name extension
* Fix FHIRPath validation errors around use of %resource and %rootResource
* Correct validator enforcement of minValue for decimal and integer (#1538)
## Other code changes
* Properly populate property definitions in expansions
* Add CVX Importer
* R6 release support
* IPS tool development
* Improved errors publishing IGs
* Refactor Context to support multiple terminology services
* change type of error when value set circularity found
* Track generated side files when rendering resources
* Support for extended Unicode characters in XHTML / XML / JSON / Turtle
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## Validator Changes
* Fix up validation of fragment and example value sets
* Improve handling of terminology messages + handling of example and fragment code systems
* Add support for logical_container extension (for CDA constraint validation)
* Clean up handling of xml_name
* Check for xver extension canonical urls when validating uri elements
* Upgrade xver to latest R5 definitions
## Other code changes
* Fix string index error in xver manager
* Fix rendering of type for previous versions
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## Validator Changes
* Fix bug where validator doesn't actually validate web sourced input
* Fix narrative link validation and add id/idref validation
* Remove fhir-test-cases from Validator CLI JAR (#1497) (reduce size)
* Fix to CDA xsi:type validation per SD decision
* Apply regex pattern to literal format if defined
* Improvements to vital signs related messages
* Fix R4 con-3 FHIRPath expression
* Fix bug loading packages with partially specified version that doesn't exist
* Fix for occasional missing warnings around bundle link validation
* Fix using wrong resource type when validating constraints in data type definitions during R6 build
* Fix NPE in validator processing CCDA examples
* Fix problem with version dependencies when loading npm packages directly as files
* Fix for SearchParameter validation using custom resource types
## Other code changes
* Bump commonmark version
* fix Utilities display of time periods (fixed width hour:min)
* Fix stated path for error when code not in value set
* Fix rendering of trigger definition using tables inside paragraphs
* Update VSAC importer to fix timeout issues
* Refactor FHIRPath java package
* Fix problem with profiled resources being called examples in IG publisher
* Remove dependencies for unused UI experiment (#1465)
* Remove AU connectathon
* Include hamcrest dependency
* Fix breaking ValidationEngineTests
* Give kinder error message for missing param
* Fix commonmark group and bump version (#1500)
* Remove dep used for local testing
* Bump jackson & logback versions
* Fix StringType element properties not being copied in various Address, HumanName convertors
* Handle all initial value types when rendering Questionnaires
* Ensure Address.line[] element data is copied over
* Write locking on FilesystemPackageCacheManager
* Fix problems setting owning committee consistently
* Utility classes for fule system package cache pre-loading
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