diff.txt

diff --git a/build.gradle b/build.gradle
index c192aca42a..a882c146a3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,12 +8,16 @@
     }
 }
 
+plugins {
+    id 'io.github.gradle-nexus.publish-plugin' version '2.0.0'
+}
+
 apply plugin: 'com.android.library'
 apply plugin: 'maven-publish'
 apply plugin: 'signing'
 
 group = 'com.eclipsesource.j2v8'
-version = System.getenv('J2V8_FULL_VERSION') ?: '0.0.0-local'
+version = System.getenv('J2V8_FULL_VERSION') ?: '6.3.2'
 
 base {
     archivesName = 'j2v8'
@@ -97,33 +101,22 @@
                 }
             }
         }
-
-        repositories {
-            if (System.getenv('MAVEN_REPO_USER') && System.getenv('MAVEN_REPO_PASS')) {
-                maven {
-                    name = 'sonatype'
-                    url = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
-                    credentials {
-                        username = System.getenv('MAVEN_REPO_USER')
-                        password = System.getenv('MAVEN_REPO_PASS')
-                    }
-                }
-
-                maven {
-                    name = 'sonatypeSnapshots'
-                    url = 'https://oss.sonatype.org/content/repositories/snapshots/'
-                    credentials {
-                        username = System.getenv('MAVEN_REPO_USER')
-                        password = System.getenv('MAVEN_REPO_PASS')
-                    }
-                }
-            }
+    }
+
+    signing {
+        if (findProperty('signing.keyId')) {
+            sign publishing.publications.release
         }
     }
 }
 
-signing {
-    if (findProperty('signing.keyId')) {
-        sign publishing.publications.release
+nexusPublishing {
+    repositories {
+        central {
+            nexusUrl.set(uri("https://central.sonatype.com/api/v1/publisher/"))
+            snapshotRepositoryUrl.set(uri("https://central.sonatype.com/api/v1/publisher/"))
+            username = System.getenv('MAVEN_REPO_USER')
+            password = System.getenv('MAVEN_REPO_PASS')
+        }
     }
 }
diff --git a/build_system/build_constants.py b/build_system/build_constants.py
index 16c6b61aec..059558d709 100644
--- a/build_system/build_constants.py
+++ b/build_system/build_constants.py
@@ -27,6 +27,8 @@
                        "                For the execution of this build-step Maven (Java) or Gradle (Android) are used for the respective target platforms."),
     CLIStep(c.build_j2v8_package, "     Packages all previously built native libraries (from multiple architectures) into a single multi-architecture artifact.\n" +
                        "                This step does not run 'clean', preserving all native libraries in src/main/jniLibs/. Does not require --arch parameter."),
+    CLIStep(c.build_j2v8_publish, "     Publishes the J2V8 package to Maven Central Portal.\n" +
+                       "                Updates pom.xml with artifact metadata, creates bundle with all required files (pom.xml, AAR, sources, javadoc, signatures), and uploads to Maven Central."),
     CLIStep(c.build_j2v8_test, "        Runs the Java (JUnit/Gradle) unit tests."),
     CLIStep(c.build_j2v8_release, "     Release J2V8."),
 ]
diff --git a/build_system/build_settings.py b/build_system/build_settings.py
index 621a210077..5f3fb412d0 100644
--- a/build_system/build_settings.py
+++ b/build_system/build_settings.py
@@ -16,7 +16,7 @@
 # J2V8 settings
 #-----------------------------------------------------------------------
 
-J2V8_VERSION_MAJOR, J2V8_VERSION_MINOR, J2V8_VERSION_PATCH = 6, 2, 1
+J2V8_VERSION_MAJOR, J2V8_VERSION_MINOR, J2V8_VERSION_PATCH = 6, 3, 4
 # J2V8_VERSION_SUFFIX = "-SNAPSHOT"
 J2V8_VERSION_SUFFIX = ""
 
diff --git a/build_system/config_android.py b/build_system/config_android.py
index a474ecbd3f..0db378adcb 100644
--- a/build_system/config_android.py
+++ b/build_system/config_android.py
@@ -148,11 +148,39 @@
 
 android_config.build_step(c.build_j2v8_test, build_j2v8_test)
 #-----------------------------------------------------------------------
+def build_j2v8_publish(config):
+    """
+    Publish Android AAR to Maven Central Portal.
+    Publishes the multi-architecture AAR as a single 'j2v8' artifact.
+    Note: Run 'j2v8package' first to create the multi-arch AAR with all native libraries.
+    """
+    # Update Maven pom.xml settings (modifies file in place)
+    u.apply_maven_config_settings(config)
+    
+    # Use simple artifact ID without platform/architecture
+    artifact_id = "j2v8"
+    version = u.s.J2V8_FULL_VERSION
+    
+    return \
+        u.setEnvVar("ARTIFACT_ID", artifact_id) + \
+        u.setEnvVar("VERSION", version) + [
+        "rm -rf target/*",
+        "mkdir -p target",
+        "cp build/outputs/aar/j2v8-release.aar target/$ARTIFACT_ID-$VERSION.aar",
+        "cp pom.xml target/$ARTIFACT_ID-$VERSION.pom",
+        "sed -i.bak 's|<packaging>pom</packaging>|<packaging>aar</packaging>|' target/$ARTIFACT_ID-$VERSION.pom && rm target/$ARTIFACT_ID-$VERSION.pom.bak",
+        "mvn package -Prelease -Dgpg.skip=true",
+        "cd target && rm -f $ARTIFACT_ID-$VERSION.pom.asc $ARTIFACT_ID-$VERSION.pom.md5 $ARTIFACT_ID-$VERSION.pom.sha1 && for file in *.jar *.aar *.pom; do [ -f \"$file\" ] && gpg --batch --passphrase \"$KEYSTORE_PASSWORD\" -ab \"$file\" && md5sum \"$file\" | awk '{print $1}' > \"${file}.md5\" && shasum -a 1 \"$file\" | awk '{print $1}' > \"${file}.sha1\"; done && cd ..",
+        "mvn assembly:single@create-central-bundle -Prelease",
+        "mvn deploy -Prelease -Dgpg.skip=true"
+    ]
+
+android_config.build_step(c.build_j2v8_publish, build_j2v8_publish)
+#-----------------------------------------------------------------------
 def build_j2v8_release(config):
     return \
         u.setVersionEnv(config) + \
-        u.gradle(" uploadArchives")
+        u.gradle("publish")
 
 android_config.build_step(c.build_j2v8_release, build_j2v8_release)
 #-----------------------------------------------------------------------
-
diff --git a/build_system/constants.py b/build_system/constants.py
index bc8fc9c3ee..8403575de0 100644
--- a/build_system/constants.py
+++ b/build_system/constants.py
@@ -25,6 +25,7 @@
 build_j2v8_optimize = 'j2v8optimize'
 build_j2v8_java = 'j2v8java'
 build_j2v8_package = 'j2v8package'
+build_j2v8_publish = 'j2v8publish'
 build_j2v8_test = 'j2v8test'
 build_j2v8_release = 'j2v8release'
 
diff --git a/build_system/shared_build_steps.py b/build_system/shared_build_steps.py
index ae0f4440ab..9dce56188c 100644
--- a/build_system/shared_build_steps.py
+++ b/build_system/shared_build_steps.py
@@ -185,14 +185,16 @@
     os = config.inject_env("$VENDOR-$PLATFORM")
     arch = config.file_abi
     version = s.J2V8_FULL_VERSION
-    name = config.inject_env("j2v8_$VENDOR-$PLATFORM_$FILE_ABI")
+    # Use simple "j2v8" artifact ID for single multi-arch AAR
+    artifact_id = "j2v8"
+    name = "j2v8"
 
     maven_settings = {
         "properties": {
             "os": os,
             "arch": arch,
         },
-        "artifactId": name,
+        "artifactId": artifact_id,
         "version": version,
         "name": name,
     }
diff --git a/diff.txt b/diff.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/pom.xml b/pom.xml
index 4a5126dd8a..2c46a0e7de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,17 +3,17 @@
   <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   
-  <os>macos</os>
+  <os>android</os>
   <ws>gtk</ws>
-  <arch>aarch_64</arch>
+  <arch>arm64-v8a</arch>
   </properties>
 
   <groupId>com.eclipsesource.j2v8</groupId>
-  <artifactId>j2v8_macos_aarch_64</artifactId>
-  <version>6.2.1</version>
-  <packaging>bundle</packaging>
+  <artifactId>j2v8</artifactId>
+  <version>6.3.4</version>
+  <packaging>pom</packaging>
 
-  <name>j2v8_macos_aarch_64</name>
+  <name>j2v8</name>
   <description>J2V8 is a set of Java bindings for V8</description>
   <url>https://github.com/eclipsesource/j2v8</url>
   <licenses>
@@ -52,14 +52,7 @@
   </dependencies>
 
   <distributionManagement>
-    <snapshotRepository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-    </snapshotRepository>
-    <repository>
-      <id>ossrh</id>
-      <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-    </repository>
+    
   </distributionManagement>
 
   <build>
@@ -75,6 +68,17 @@
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>3.3.0</version>
+        <executions>
+          <execution>
+            <id>default-jar</id>
+            <phase>none</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <version>2.22.0</version>
         <configuration>
@@ -110,15 +114,87 @@
       <build>
         <plugins>
           <plugin>
-            <groupId>org.sonatype.plugins</groupId>
-            <artifactId>nexus-staging-maven-plugin</artifactId>
-            <version>1.6.3</version>
-            <extensions>true</extensions>
-            <configuration>
-              <serverId>ossrh</serverId>
-              <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-            <autoReleaseAfterClose>true</autoReleaseAfterClose>
-            </configuration>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-install-plugin</artifactId>
+            <configuration>
+              <skip>true</skip>
+            </configuration>
+          </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-deploy-plugin</artifactId>
+            <configuration>
+              <skip>true</skip>
+            </configuration>
+          </plugin>
+          <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>build-helper-maven-plugin</artifactId>
+            <version>3.4.0</version>
+            <executions>
+              <execution>
+                <id>attach-aar</id>
+                <phase>package</phase>
+                <goals>
+                  <goal>attach-artifact</goal>
+                </goals>
+                <configuration>
+                  <artifacts>
+                    <artifact>
+                      <file>${project.build.directory}/${project.artifactId}-${project.version}.aar</file>
+                      <type>aar</type>
+                    </artifact>
+                  </artifacts>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <version>3.6.0</version>
+            <executions>
+              <execution>
+                <id>create-central-bundle</id>
+                <phase>package</phase>
+                <goals>
+                  <goal>single</goal>
+                </goals>
+                <configuration>
+                  <descriptors>
+                    <descriptor>src/assembly/central-bundle.xml</descriptor>
+                  </descriptors>
+                  <appendAssemblyId>true</appendAssemblyId>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>exec-maven-plugin</artifactId>
+            <version>3.1.0</version>
+            <executions>
+              <execution>
+                <id>upload-to-central-portal</id>
+                <phase>deploy</phase>
+                <goals>
+                  <goal>exec</goal>
+                </goals>
+                <configuration>
+                  <executable>curl</executable>
+                  <arguments>
+                    <argument>--request</argument>
+                    <argument>POST</argument>
+                    <argument>--verbose</argument>
+                    <argument>--header</argument>
+                    <argument>Authorization: Bearer ${env.MAVEN_REPO_TOKEN}</argument>
+                    <argument>--form</argument>
+                    <argument>bundle=@${project.build.directory}/${project.artifactId}-${project.version}-central-bundle.zip</argument>
+                    <argument>https://central.sonatype.com/api/v1/publisher/upload?name=${project.artifactId}&amp;publishingType=AUTOMATIC</argument>
+                  </arguments>
+                </configuration>
+              </execution>
+            </executions>
           </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
@@ -150,6 +226,10 @@
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-gpg-plugin</artifactId>
             <version>1.5</version>
+            <configuration>
+              <keyname>${env.KEY_ID}</keyname>
+              <passphrase>${env.KEYSTORE_PASSWORD}</passphrase>
+            </configuration>
             <executions>
               <execution>
                 <id>sign-artifacts</id>
diff --git a/src/assembly/central-bundle.xml b/src/assembly/central-bundle.xml
new file mode 100644
index 0000000000..c77e0a3c81
--- /dev/null
+++ b/src/assembly/central-bundle.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.0 http://maven.apache.org/xsd/assembly-2.1.0.xsd">
+    <id>central-bundle</id>
+    <formats>
+        <format>zip</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <files>
+        <!-- Include modified POM from target with proper Maven naming -->
+        <file>
+            <source>${project.build.directory}/${project.artifactId}-${project.version}.pom</source>
+            <destName>${project.artifactId}-${project.version}.pom</destName>
+            <outputDirectory>com/eclipsesource/j2v8/${project.artifactId}/${project.version}</outputDirectory>
+        </file>
+    </files>
+    <fileSets>
+        <!-- Include artifacts from target directory -->
+        <fileSet>
+            <directory>${project.build.directory}</directory>
+            <outputDirectory>com/eclipsesource/j2v8/${project.artifactId}/${project.version}</outputDirectory>
+            <includes>
+                <!-- Main artifact (AAR/JAR/bundle) -->
+                <include>${project.artifactId}-${project.version}.aar</include>
+                <include>${project.artifactId}-${project.version}.jar</include>
+                <!-- Sources JAR -->
+                <include>${project.artifactId}-${project.version}-sources.jar</include>
+                <!-- Javadoc JAR -->
+                <include>${project.artifactId}-${project.version}-javadoc.jar</include>
+                <!-- GPG signatures -->
+                <include>*.asc</include>
+                <!-- Checksums -->
+                <include>*.md5</include>
+                <include>*.sha1</include>
+            </includes>
+        </fileSet>
+    </fileSets>
+</assembly>