Release: v1.8.4

* Christmas 2025 Release: Add support for [test instance factory generation](https://build.fhir.org/ig/FHIR/ig-guidance/testfactory.html)
* Snapshot Generator: Only use profiled datatype information for generating snapshots for Resource and Extension
* Validator: Fix validation of invariants in profiles - check for more conflicts, and don't call conflict if the expression is the same
* Validator: Fix issues with tracking supplement usage and getting supplement version matching correct
* Validator: Fix npe loading old simplifier package
* Renderer: Fix logical model rendering to use type characteristics for can-be-target
* Version Comparison: Fix comparison template loading issue
* Website Publishing: fix bug publishing CDA IGs
***NO_CI***

org.hl7.fhir.publisher.cli/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>org.hl7.fhir.publisher</artifactId>
         <groupId>org.hl7.fhir.publisher</groupId>
-        <version>1.8.4-SNAPSHOT</version>
+        <version>1.8.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>

org.hl7.fhir.publisher.core/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.hl7.fhir.publisher</groupId>
         <artifactId>org.hl7.fhir.publisher</artifactId>
-        <version>1.8.4-SNAPSHOT</version>
+        <version>1.8.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>org.hl7.fhir.publisher</groupId>
     <artifactId>org.hl7.fhir.publisher</artifactId>
-    <version>1.8.4-SNAPSHOT</version>
+    <version>1.8.4</version>
     <packaging>pom</packaging>
 
     <properties>