update the release log, build scripts, and init message for v21.3.0

Author: stephengold

appveyor.yml

@@ -1,7 +1,7 @@
 ---
 # configure deployment by AppVeyor.com
 
-version: 21.2.1
+version: 21.3.0
 
 image: Visual Studio 2022
 
@@ -11,15 +11,15 @@ build_script:
   - cmd: gradlew.bat build --console=plain --no-daemon
 
 artifacts:
-  - path: dist/Libbulletjme-21.2.1.jar
+  - path: dist/Libbulletjme-21.3.0.jar
     name: classJar
-  - path: dist/Libbulletjme-21.2.1-javadoc.jar
+  - path: dist/Libbulletjme-21.3.0-javadoc.jar
     name: javadocJar
-  - path: dist/Libbulletjme-21.2.1-sources.jar
+  - path: dist/Libbulletjme-21.3.0-sources.jar
     name: sourcesJar
-  - path: dist/Libbulletjme-21.2.1.pom
+  - path: dist/Libbulletjme-21.3.0.pom
     name: pom
-  - path: dist/Libbulletjme-21.2.1.module
+  - path: dist/Libbulletjme-21.3.0.module
     name: module
   - path: dist/Windows32DebugDp_bulletjme.dll
     name: dll32DD

build.gradle

@@ -12,7 +12,7 @@ plugins {
 ext {
     group = 'com.github.stephengold'
     artifact = 'Libbulletjme'
-    version = '21.2.1'
+    version = '21.3.0'
     baseName = "${artifact}-${version}" // for artifacts
     websiteUrl = 'https://github.com/stephengold/Libbulletjme'
 }

release-notes.md

@@ -1,5 +1,13 @@
 # Release log for the Libbulletjme project
 
+## Version 21.3.0 released on 31 August 2024
+
++ Bugfix: `copyPcoProperties()` doesn't copy user indices
++ Bugfix:  logic error in `CollisionShape.nativeMargin()`
++ Publicized the `CollisionSpace.setLocalThreadPhysicsSpace()` method so
+  per-thread physics spaces can nulled and garbage collected.
++ Added public method `Quaternion.isValidQuaternion()`.
+
 ## Version 21.2.1 released on 9 May 2024
 
 + Changed the default setting for collision-shape contact filtering

src/main/java/com/jme3/bullet/util/NativeLibrary.java

@@ -52,7 +52,7 @@ final public class NativeLibrary {
     /**
      * expected version string of the native library
      */
-    final public static String expectedVersion = "21.2.1";
+    final public static String expectedVersion = "21.3.0";
     // *************************************************************************
     // constructors
 

src/main/native/glue/jmeClasses.h

@@ -38,7 +38,7 @@
  */
 #include <jni.h>
 
-#define LIBBULLETJME_VERSION "21.2.1"
+#define LIBBULLETJME_VERSION "21.3.0"
 
 #define EXCEPTION_CHK(pEnv, retval) \
     if (pEnv->ExceptionCheck()) { \