1.8.23

• Loader: Fix bug loading language from IETF language tag
• Loader: Add parameter -authorise-non-conformant-tx-servers
• Fix NPE on resources that dont come from a package
• Version Conversion: Add R4B <-> R5 conversion for Subscription
• Terminology Sub-System: Fix problem with file name in terminology cache
• Snapshot Generation: fix bugs processing extension slicing in the all slices slice
• Snapshot Generation: fix bug generating snapshots on nested elements with slicing at both levels
• Validator: Change value set validation to consider unknown concepts as errors not warnings
• Validator: fix bug where unknown urls pointing outside hl7.org/fhir are ignored in the IG publisher
• Validator: fix bug where discriminators cant be processed on profiled elements that also have contentReference
• Validator: Fix NPE in ConceptMap Validator
• Validator: Properly handle expansion errors
• Validator: Parameterised Valueset validation + check for misuse of OIDs
• Validator: Handle missing valueset filter value better
• Renderer: ValueSet rendering improvement
• Renderer: fix up valueset designation rendering
• Renderer: Render parameterised value sets
• Renderer: Fix colour rendering for artefacts + add obligations to structuredefinitions.json
• Renderer: html compliance work (ongoing)
• Package Gneerator: fix problem with tests/ directory in Npm Packages
• Package Gneerator: only examples in examples.zip files
• QA: Adjust validation rules for publication-request.json
• QA: escape links in IP view
• Publication Process: Support for withdrawing IGs
• Publication Process: Fix rendering of tabs in history page + fix NPE doing publish-release
• Publication Process: fix ballot count in Publish box
• Publication Process: fix rss feed
• Publication Process: switch -publish-update to use same publish box code as Publication Process
• Publication Process: support for withdrawing IGs