diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 64761a4..a8e987f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,37 +1,300 @@
+name: Build & Publish
+
 on:
-  - push
+  push:
+  release:
+    types: [published]
+  workflow_dispatch:
 
 permissions:
   contents: read
 
+env:
+  JAVA_VERSION: '20'
+
 jobs:
-  build:
-    strategy:
-      matrix:
-        os: [{name: ubuntu, version: ubuntu-20.04}, {name: macos, version: macos-latest}, {name: windows, version: windows-latest}]
-        #arch: [arm32, arm64, x86, x64]
-      fail-fast: false
+  # ============================================
+  # Build native libraries for each platform
+  # ============================================
+  
+  build-linux-x64:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      - name: Build native library
+        run: |
+          mkdir -p build/natives/linux-x64
+          gcc -Wall -O2 -DNDEBUG -fPIC -shared \
+            -I"$JAVA_HOME/include" -I"$JAVA_HOME/include/linux" \
+            -o build/natives/linux-x64/libjthreadmagic.so \
+            jthreadmagic.c
+      - name: Run tests
+        run: |
+          mkdir -p build/classes
+          javac -d build/classes \
+            src/main/java/rip/mem/jthreadmagic/JThreadMagic.java \
+            src/test/java/rip/mem/jthreadmagic/JThreadMagicTest.java
+          java -Djava.library.path=build/natives/linux-x64 \
+            -cp build/classes rip.mem.jthreadmagic.JThreadMagicTest
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-linux-x64
+          path: build/natives/
+
+  build-linux-x86:
+    # Note: Tests skipped - would require 32-bit JVM which is not readily available
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-      - name: Setup JDK 8
-        uses: actions/setup-java@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      - name: Install 32-bit toolchain
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc-multilib
+      - name: Build native library
+        run: |
+          mkdir -p build/natives/linux-x86
+          gcc -m32 -Wall -O2 -DNDEBUG -fPIC -shared \
+            -I"$JAVA_HOME/include" -I"$JAVA_HOME/include/linux" \
+            -o build/natives/linux-x86/libjthreadmagic.so \
+            jthreadmagic.c
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-linux-x86
+          path: build/natives/
+
+  build-linux-arm64:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      - name: Build native library
+        run: |
+          mkdir -p build/natives/linux-arm64
+          gcc -Wall -O2 -DNDEBUG -fPIC -shared \
+            -I"$JAVA_HOME/include" -I"$JAVA_HOME/include/linux" \
+            -o build/natives/linux-arm64/libjthreadmagic.so \
+            jthreadmagic.c
+      - name: Run tests
+        run: |
+          mkdir -p build/classes
+          javac -d build/classes \
+            src/main/java/rip/mem/jthreadmagic/JThreadMagic.java \
+            src/test/java/rip/mem/jthreadmagic/JThreadMagicTest.java
+          java -Djava.library.path=build/natives/linux-arm64 \
+            -cp build/classes rip.mem.jthreadmagic.JThreadMagicTest
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-linux-arm64
+          path: build/natives/
+
+  build-windows-x64:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      - uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: x64
+      - name: Build native library
+        shell: cmd
+        run: |
+          mkdir build\natives\windows-x64
+          cl /nologo /O2 /W3 /GL /LD /DNDEBUG ^
+            /I "%JAVA_HOME%\include" /I "%JAVA_HOME%\include\win32" ^
+            /Fe"build\natives\windows-x64\jthreadmagic.dll" ^
+            jthreadmagic.c
+          del build\natives\windows-x64\*.exp build\natives\windows-x64\*.lib
+      - name: Run tests
+        shell: cmd
+        run: |
+          mkdir build\classes
+          javac -d build\classes ^
+            src\main\java\rip\mem\jthreadmagic\JThreadMagic.java ^
+            src\test\java\rip\mem\jthreadmagic\JThreadMagicTest.java
+          java -Djava.library.path=build\natives\windows-x64 ^
+            -cp build\classes rip.mem.jthreadmagic.JThreadMagicTest
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-windows-x64
+          path: build/natives/
+
+  build-windows-x86:
+    # Note: Tests skipped - would require 32-bit JVM which is not readily available
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
         with:
-          java-version: '8'
+          java-version: ${{ env.JAVA_VERSION }}
           distribution: 'temurin'
-          java-package: 'jdk'
-      # TODO: use old distributions
-      # TODO: build ubuntu arm, build windows
-      - name: Build (temp ubuntu)
-        if: ${{ matrix.os.name == 'ubuntu' }}
+      - uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: x86
+      - name: Build native library
+        shell: cmd
+        run: |
+          mkdir build\natives\windows-x86
+          cl /nologo /O2 /W3 /GL /LD /DNDEBUG ^
+            /I "%JAVA_HOME%\include" /I "%JAVA_HOME%\include\win32" ^
+            /Fe"build\natives\windows-x86\jthreadmagic.dll" ^
+            jthreadmagic.c
+          del build\natives\windows-x86\*.exp build\natives\windows-x86\*.lib
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-windows-x86
+          path: build/natives/
+
+  build-windows-arm64:
+    runs-on: windows-11-arm
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'zulu'
+      - uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: arm64
+      - name: Build native library
+        shell: cmd
         run: |
-          make MYCFLAGS="-m32" TARGET="libjthreadmagic_x86.so"
-          make MYCFLAGS="-m64" TARGET="libjthreadmagic_x64.so"
-      #- name: Build (temp windows)
-      #  if: ${{ matrix.os.name == 'windows' }}
-      - name: Build (temp macos)
-        if: ${{ matrix.os.name == 'macos' }}
-        run: make MYCFLAGS="-arch arm64 -arch x86_64" TARGET="libjthreadmagic.dylib"
+          mkdir build\natives\windows-arm64
+          cl /nologo /O2 /W3 /GL /LD /DNDEBUG ^
+            /I "%JAVA_HOME%\include" /I "%JAVA_HOME%\include\win32" ^
+            /Fe"build\natives\windows-arm64\jthreadmagic.dll" ^
+            jthreadmagic.c
+          del build\natives\windows-arm64\*.exp build\natives\windows-arm64\*.lib
+      - name: Run tests
+        shell: cmd
+        run: |
+          mkdir build\classes
+          javac -d build\classes ^
+            src\main\java\rip\mem\jthreadmagic\JThreadMagic.java ^
+            src\test\java\rip\mem\jthreadmagic\JThreadMagicTest.java
+          java -Djava.library.path=build\natives\windows-arm64 ^
+            -cp build\classes rip.mem.jthreadmagic.JThreadMagicTest
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-windows-arm64
+          path: build/natives/
 
-        # build java, build native, test, release
\ No newline at end of file
+  build-macos:
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      - name: Build universal native library
+        run: |
+          mkdir -p build/natives/macos
+          clang -arch x86_64 -arch arm64 -Wall -O2 -DNDEBUG -fPIC -dynamiclib \
+            -I"$JAVA_HOME/include" -I"$JAVA_HOME/include/darwin" \
+            -o build/natives/macos/libjthreadmagic.dylib \
+            jthreadmagic.c
+      - name: Run tests
+        run: |
+          mkdir -p build/classes
+          javac -d build/classes \
+            src/main/java/rip/mem/jthreadmagic/JThreadMagic.java \
+            src/test/java/rip/mem/jthreadmagic/JThreadMagicTest.java
+          java -Djava.library.path=build/natives/macos \
+            -cp build/classes rip.mem.jthreadmagic.JThreadMagicTest
+      - uses: actions/upload-artifact@v4
+        with:
+          name: native-macos
+          path: build/natives/
+
+  # ============================================
+  # Package everything into JAR and publish
+  # ============================================
+  
+  package:
+    needs:
+      - build-linux-x64
+      - build-linux-x86
+      - build-linux-arm64
+      - build-windows-x64
+      - build-windows-x86
+      - build-windows-arm64
+      - build-macos
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      
+      - uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+      
+      - name: Download all native artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: build/natives
+          pattern: native-*
+          merge-multiple: true
+      
+      - name: Show downloaded natives
+        run: find build/natives -type f
+      
+      - name: Build with Maven
+        run: mvn -B package -DskipTests
+      
+      - name: Upload JAR artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: jthreadmagic-jar
+          path: target/jthreadmagic-*.jar
+
+  publish:
+    if: github.event_name == 'release'
+    needs: package
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      
+      - name: Set up Java for publishing
+        uses: actions/setup-java@v5
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: 'temurin'
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      
+      - name: Download all native artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: build/natives
+          pattern: native-*
+          merge-multiple: true
+
+      - name: Publish to Maven Central
+        run: |
+          # Set version from tag (assuming tag is v1.2.3)
+          VERSION=${GITHUB_REF#refs/tags/}
+          # Remove 'v' prefix if present
+          VERSION=${VERSION#v}
+          mvn -B versions:set -DnewVersion=$VERSION
+          mvn -B deploy -P release -Dgpg.passphrase=${{ secrets.GPG_PASSPHRASE }}
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
diff --git a/.gitignore b/.gitignore
index 1e3d786..2e1be5e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -82,4 +82,23 @@ dkms.conf
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
-replay_pid*
\ No newline at end of file
+replay_pid*
+
+###
+### Build
+###
+
+build/
+target/
+out/
+
+###
+### IDE
+###
+
+.idea/
+*.iml
+.vscode/
+.settings/
+.project
+.classpath
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..027a53b
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,149 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>rip.mem</groupId>
+    <artifactId>jthreadmagic</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>JThreadMagic</name>
+    <description>Reimplement Thread#stop for Java 20+</description>
+    <url>https://github.com/mem-rip/JThreadMagic</url>
+
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>https://opensource.org/licenses/MIT</url>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <id>mem</id>
+            <name>memcorrupt</name>
+            <email>mem@mem.rip</email>
+        </developer>
+    </developers>
+
+    <scm>
+        <connection>scm:git:git://github.com/mem-rip/JThreadMagic.git</connection>
+        <developerConnection>scm:git:ssh://github.com:mem-rip/JThreadMagic.git</developerConnection>
+        <url>https://github.com/mem-rip/JThreadMagic</url>
+    </scm>
+
+    <distributionManagement>
+        <repository>
+            <id>github</id>
+            <name>GitHub Packages</name>
+            <url>https://maven.pkg.github.com/mem-rip/JThreadMagic</url>
+        </repository>
+    </distributionManagement>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>25</maven.compiler.source>
+        <maven.compiler.target>25</maven.compiler.target>
+    </properties>
+
+    <build>
+        <resources>
+            <resource>
+                <directory>build/natives</directory>
+                <targetPath>natives</targetPath>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+                <configuration>
+                    <source>25</source>
+                    <target>25</target>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.3.0</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.6.0</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.3.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>3.1.0</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+
+                    <plugin>
+                        <groupId>org.sonatype.central</groupId>
+                        <artifactId>central-publishing-maven-plugin</artifactId>
+                        <version>0.4.0</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <publishingServerId>central</publishingServerId>
+                            <tokenAuth>true</tokenAuth>
+                            <autoPublish>true</autoPublish>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+</project>
+
diff --git a/src/main/java/rip/mem/jthreadmagic/JThreadMagic.java b/src/main/java/rip/mem/jthreadmagic/JThreadMagic.java
new file mode 100644
index 0000000..fb532b9
--- /dev/null
+++ b/src/main/java/rip/mem/jthreadmagic/JThreadMagic.java
@@ -0,0 +1,106 @@
+package rip.mem.jthreadmagic;
+
+import java.io.*;
+import java.nio.file.*;
+
+public class JThreadMagic {
+
+    public static final boolean LOADED;
+    private static native void stopThread0(Thread thread, Object exception);
+
+    static {
+        boolean isLoaded = false;
+
+        try {
+            loadNativeLibrary();
+            isLoaded = true;
+        } catch (Exception ex) {
+            System.err.println("Cannot load JThreadMagic:");
+            ex.printStackTrace();
+        } catch (UnsatisfiedLinkError ex) {
+            System.err.println("Cannot load JThreadMagic native library:");
+            ex.printStackTrace();
+        }
+
+        LOADED = isLoaded;
+    }
+
+    private static void loadNativeLibrary() throws IOException {
+        String os = getOS();
+        String arch = getArch();
+        String libName = getLibraryName();
+        
+        // macOS uses a universal binary (fat binary), others are arch-specific
+        String resourcePath = os.equals("macos") 
+            ? "/natives/macos/" + libName
+            : "/natives/" + os + "-" + arch + "/" + libName;
+        
+        InputStream in = JThreadMagic.class.getResourceAsStream(resourcePath);
+        if (in == null) {
+            // Fallback to system library path
+            System.loadLibrary("jthreadmagic");
+            return;
+        }
+        
+        try {
+            // Extract to temp file
+            Path tempDir = Files.createTempDirectory("jthreadmagic");
+            Path tempLib = tempDir.resolve(libName);
+            Files.copy(in, tempLib, StandardCopyOption.REPLACE_EXISTING);
+            
+            // Make executable on Unix
+            tempLib.toFile().setExecutable(true);
+            
+            // Mark for deletion on exit
+            tempLib.toFile().deleteOnExit();
+            tempDir.toFile().deleteOnExit();
+            
+            System.load(tempLib.toAbsolutePath().toString());
+        } finally {
+            in.close();
+        }
+    }
+
+    private static String getOS() {
+        String os = System.getProperty("os.name").toLowerCase();
+        if (os.contains("win")) {
+            return "windows";
+        } else if (os.contains("mac") || os.contains("darwin")) {
+            return "macos";
+        } else if (os.contains("linux") || os.contains("nix") || os.contains("nux")) {
+            return "linux";
+        }
+        throw new UnsupportedOperationException("Unsupported operating system: " + os);
+    }
+
+    private static String getArch() {
+        String arch = System.getProperty("os.arch").toLowerCase();
+        if (arch.equals("amd64") || arch.equals("x86_64")) {
+            return "x64";
+        } else if (arch.equals("x86") || arch.equals("i386") || arch.equals("i686")) {
+            return "x86";
+        } else if (arch.equals("aarch64") || arch.equals("arm64")) {
+            return "arm64";
+        }
+        throw new UnsupportedOperationException("Unsupported architecture: " + arch);
+    }
+
+    private static String getLibraryName() {
+        String os = System.getProperty("os.name").toLowerCase();
+        if (os.contains("win")) {
+            return "jthreadmagic.dll";
+        } else if (os.contains("mac") || os.contains("darwin")) {
+            return "libjthreadmagic.dylib";
+        } else {
+            return "libjthreadmagic.so";
+        }
+    }
+
+    public static void stopThread(Thread thread) {
+        stopThread0(thread, new ThreadDeath());
+    }
+
+    public static void stopThread(Thread thread, Throwable exception) {
+        stopThread0(thread, exception);
+    }
+}
diff --git a/src/rip/mem/jthreadmagic/JThreadMagic.java b/src/rip/mem/jthreadmagic/JThreadMagic.java
deleted file mode 100644
index 34a45f1..0000000
--- a/src/rip/mem/jthreadmagic/JThreadMagic.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package rip.mem.jthreadmagic;
-
-public class JThreadMagic {
-
-    public static final boolean LOADED;
-    private static native void stopThread0(Thread thread, Object exception);
-
-    static {
-        boolean isLoaded = false;
-
-        try{
-            System.loadLibrary("jthreadmagic");
-            isLoaded = true;
-        }catch(Exception ex){
-            System.err.println("Cannot load JThreadMagic:");
-            ex.printStackTrace();
-        }
-
-        LOADED = isLoaded;
-    }
-
-    public static final void stopThread(Thread thread){
-        stopThread0(thread, new ThreadDeath());
-    }
-
-}
\ No newline at end of file
diff --git a/src/rip/mem/jthreadmagic/JThreadMagicTest.java b/src/test/java/rip/mem/jthreadmagic/JThreadMagicTest.java
similarity index 100%
rename from src/rip/mem/jthreadmagic/JThreadMagicTest.java
rename to src/test/java/rip/mem/jthreadmagic/JThreadMagicTest.java