Release: v6.4.0

## Validator Changes

* Improve warning messages about collections in SQL ViewDefinitions
* Fix type evaluation of .item() in FHIRPath
* Revise message about unknown usage context on additional binding
* Add support for code generation
* Add check for # in CanonicalResource.version
* Fix problem parsing urls in cds-hooks formats
* Fix issues with output folder running tx tests
* Fix bug evaluating resolve() in contained resources when doing slicing

## Other code changes

* Fix NPE processing markdown
* Capture missing snapshot generation messages
* Track OID status
* Improve rendering of coded values
* update tests for changes to PE code generation
* Tx Tests: Add support for special header on specific tests
* Tx Tests: Fix framework to handle diagnostics correctly
* Tx Tests: check http code in tx test cases
* Add support for NCI code rendering
* Adding missing lombok annotation (cannot build without it from scratch) (#1785)
* Remove Encounter Renderer
* Profile code generation fixes
* Add r4 code gen classes
* Draft work for tx server authentication (not landed yet)
* Move XXE safe SAXParserFactory and XMLReader instantiation to XMLUtil
* Bump commons-compress version
***NO_CI***

org.hl7.fhir.convertors/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.dstu2/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.0-SNAPSHOT</version>
+		<version>6.4.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.dstu2016may/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.0-SNAPSHOT</version>
+		<version>6.4.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.dstu3/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.r4/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.0-SNAPSHOT</version>
+		<version>6.4.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.r4b/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.0-SNAPSHOT</version>
+		<version>6.4.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.r5/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>6.4.0-SNAPSHOT</version>
+		<version>6.4.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

org.hl7.fhir.report/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.utilities/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

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

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

org.hl7.fhir.validation/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>6.4.0-SNAPSHOT</version>
+        <version>6.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

pom.xml

@@ -14,7 +14,7 @@
     HAPI FHIR
     -->
     <artifactId>org.hl7.fhir.core</artifactId>
-    <version>6.4.0-SNAPSHOT</version>
+    <version>6.4.0</version>
     <packaging>pom</packaging>
 
     <properties>