From c5b971d5ae01c6d5329659ffb5006e2ea70fefa3 Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 18:22:12 +0200
Subject: [PATCH 1/7] Update github actions.

---
 .github/workflows/gradle.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 8e361ebff..0659ccd79 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -14,16 +14,16 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 0
     - name: Set up JDK 17
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: 'temurin'
         java-version: '17'
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v4
+      uses: gradle/actions/setup-gradle@v6
       with:
         cache-read-only: ${{ github.ref != 'refs/heads/master' && github.ref != 'refs/heads/chunky-2.4.x' }}
     - name: Grant execute permission for gradlew
@@ -46,12 +46,12 @@ jobs:
             ;;
         esac
     - name: Upload build
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: Chunky Build
         path: build/installer
     - name: Upload build
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: Chunky Core
         path: build/chunky-core-*.jar

From d3eb7f6fce256500e4f0180f3dfef0ccf8cd9b6a Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 18:51:22 +0200
Subject: [PATCH 2/7] Update to java 25.

---
 .github/workflows/gradle.yml | 2 +-
 build.gradle                 | 6 +++---
 chunky/build.gradle          | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 0659ccd79..1aaecce46 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -21,7 +21,7 @@ jobs:
       uses: actions/setup-java@v5
       with:
         distribution: 'temurin'
-        java-version: '17'
+        java-version: '25'
     - name: Setup Gradle
       uses: gradle/actions/setup-gradle@v6
       with:
diff --git a/build.gradle b/build.gradle
index cffaaf328..29a76bb2a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,19 +33,19 @@ subprojects {
     java {
         toolchain {
             // default java version for the project
-            languageVersion = JavaLanguageVersion.of(17)
+            languageVersion = JavaLanguageVersion.of(25)
         }
     }
     compileTestJava {
         // compile tests using more recent features
         javaCompiler = javaToolchains.compilerFor {
-            languageVersion = JavaLanguageVersion.of(21)
+            languageVersion = JavaLanguageVersion.of(27)
         }
     }
     test {
         // run tests using more recent features
         javaLauncher = javaToolchains.launcherFor {
-            languageVersion = JavaLanguageVersion.of(21)
+            languageVersion = JavaLanguageVersion.of(27)
         }
         useJUnitPlatform()
 
diff --git a/chunky/build.gradle b/chunky/build.gradle
index a71bd7026..9504a82c8 100644
--- a/chunky/build.gradle
+++ b/chunky/build.gradle
@@ -29,7 +29,7 @@ dependencies {
 }
 
 javafx {
-  version = '17.0.11'
+  version = '25'
   configuration = 'implementation'
   modules = ['javafx.base', 'javafx.controls', 'javafx.fxml']
 }

From 69689c050ca53dd898715f65e3591c89d2a3fa5f Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 20:24:37 +0200
Subject: [PATCH 3/7] Update gradle for java 25, use java 25 for testing too.

---
 build.gradle                             | 38 ++++++-------
 chunky/build.gradle                      | 68 ++++++++++++++----------
 gradle/wrapper/gradle-wrapper.properties |  2 +-
 launcher/build.gradle                    |  6 ++-
 settings.gradle                          |  2 +-
 5 files changed, 64 insertions(+), 52 deletions(-)

diff --git a/build.gradle b/build.gradle
index 29a76bb2a..a48b5a62d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
-project.version = getVersion()
-println "Building version ${project.version}"
+def projectVersion = getVersion().toString()
+println "Building version ${projectVersion}"
 
 allprojects {
     repositories {
@@ -15,7 +15,7 @@ buildscript {
         }
     }
     dependencies {
-      classpath 'org.openjfx:javafx-plugin:0.0.13'
+      classpath 'org.openjfx:javafx-plugin:0.1.0'
       classpath 'com.github.ben-manes:gradle-versions-plugin:0.46.0'
     }
 }
@@ -36,17 +36,7 @@ subprojects {
             languageVersion = JavaLanguageVersion.of(25)
         }
     }
-    compileTestJava {
-        // compile tests using more recent features
-        javaCompiler = javaToolchains.compilerFor {
-            languageVersion = JavaLanguageVersion.of(27)
-        }
-    }
     test {
-        // run tests using more recent features
-        javaLauncher = javaToolchains.launcherFor {
-            languageVersion = JavaLanguageVersion.of(27)
-        }
         useJUnitPlatform()
 
         // Always run tests, even when nothing changed.
@@ -113,7 +103,7 @@ defaultTasks 'release'
 
 task releaseVersion {
   doLast {
-    tryCommand([ 'git', 'tag', '-a', "${project.version}", '-m', "Version ${project.version}" ], true)
+    tryCommand([ 'git', 'tag', '-a', "${projectVersion}", '-m', "Version ${projectVersion}" ], true)
   }
 }
 
@@ -121,11 +111,14 @@ task versionInfo(type: JavaExec) {
     dependsOn 'copyArtifacts'
     outputs.upToDateWhen { false }
 
-    outputs.files file("build/chunky-${project.version}.jar")
-    description 'Writes build/chunky-VERSION.jar, latest.json and updates chunky-core-VERSION.jar/version.json'
+    outputs.file(layout.buildDirectory.file("chunky-${projectVersion}.jar"))
+
+    description = 'Writes build/chunky-VERSION.jar, latest.json and updates chunky-core-VERSION.jar/version.json'
+
     classpath = project(':releasetools').sourceSets.main.runtimeClasspath
     mainClass.set('releasetools.ReleaseBuilder')
-    args "${project.version}", "release_notes-${project.version}.txt"
+
+    args projectVersion, "release_notes-${projectVersion}.txt"
 }
 
 task release {
@@ -138,30 +131,33 @@ task release {
         destinationDirectory.mkdirs()
         file("./latest.json").renameTo("${destinationDirectory}/latest.json")
         fileTree(buildDir).matching {
-            include "*-${project.version}.*"
+            include "*-${projectVersion}.*"
         }.each {
             it.renameTo("${destinationDirectory}/${it.name}")
         }
     }
 }
 
+def launcherArchives = project(':launcher').configurations.archives
+
 task buildReleaseJar(type: Jar) {
     dependsOn ':launcher:assembleDist'
     dependsOn 'versionInfo'
 
-    archiveFileName = "chunky-${project.version}.jar"
+    archiveFileName = "chunky-${projectVersion}.jar"
     destinationDirectory = file('build/installer')
     manifest {
         attributes('Main-Class': 'se.llbit.chunky.launcher.ChunkyLauncher')
+        duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     }
 
     into('lib') {
         from fileTree('chunky/lib').include('*.jar')
-        from file("build/chunky-core-${project.version}.jar")
+        from file("build/chunky-core-${projectVersion}.jar")
     }
 
     from {
-        project(':launcher').configurations.archives.allArtifacts.files.collect {
+        launcherArchives.allArtifacts.files.collect {
             zipTree(it)
         }
     }
diff --git a/chunky/build.gradle b/chunky/build.gradle
index 9504a82c8..4e04a04dd 100644
--- a/chunky/build.gradle
+++ b/chunky/build.gradle
@@ -2,8 +2,13 @@ apply plugin: 'application'
 apply plugin: 'maven-publish'
 apply plugin: 'org.openjfx.javafxplugin'
 
-mainClassName = 'se.llbit.chunky.main.Chunky'
-archivesBaseName = 'chunky-core'
+application {
+  mainClass = 'se.llbit.chunky.main.Chunky'
+}
+
+base {
+  archivesName = 'chunky-core'
+}
 
 configurations {
   implementation.extendsFrom configurations.jsonlib
@@ -52,7 +57,7 @@ jar {
     zipTree(it)
   }
   manifest {
-    attributes('Main-Class': mainClassName)
+    attributes('Main-Class': application.mainClass)
   }
   into('se/llbit/chunky/main') {
     from file("src/gen-res/Version.properties")
@@ -78,25 +83,35 @@ sourceSets {
 
 processResources.dependsOn 'updateVersionString'
 
+def projectVersion = providers.provider {
+    version.toString()
+}
+
 task updateVersionString {
-  description 'Store the current version string in src/gen-res/Version.properties'
+  description = 'Store the current version string in src/gen-res/Version.properties'
+
+  def versionFile = layout.projectDirectory.file('src/gen-res/Version.properties')
 
   outputs.upToDateWhen {
     def props = new Properties()
-    def output = file('src/gen-res/Version.properties')
-    if (output.isFile()) {
-      output.withInputStream { stream -> props.load(stream) }
+    if (versionFile.asFile.isFile()) {
+      versionFile.asFile.withInputStream { stream ->
+        props.load(stream)
+      }
     }
-    props['version'] == project.version
+    props['version'] == projectVersion.get()
   }
 
   doLast {
-    file('src/gen-res').mkdirs()
-    def date = new Date()
-    def versionFile = file('src/gen-res/Version.properties')
-    ant.propertyfile(file: versionFile) {
-      entry(key: 'version', value: project.version)
-      entry(key: 'gitSha', value: tryCommand(['git', 'rev-parse', 'HEAD']).trim())
+    versionFile.asFile.parentFile.mkdirs()
+
+    def gitSha = rootProject.tryCommand(
+      ['git', 'rev-parse', 'HEAD']
+    ).trim()
+
+    ant.propertyfile(file: versionFile.asFile) {
+      entry(key: 'version', value: projectVersion.get())
+      entry(key: 'gitSha', value: gitSha)
     }
   }
 }
@@ -112,12 +127,13 @@ task sourcesJar(type: Jar) {
 }
 
 task copyExternalDependencies(type: Copy) {
-  into "${buildDir}/${libsDirName}"
+  into layout.buildDirectory.dir("libs")
   from configurations.externalDependencies
 }
 
-artifacts {
-  archives javadocJar, sourcesJar
+tasks.named("assemble") {
+    dependsOn(javadocJar)
+    dependsOn(sourcesJar)
 }
 
 publishing {
@@ -129,7 +145,7 @@ publishing {
         packaging = "jar"
         description = "Minecraft mapping and rendering tool"
         url = "http://chunky.llbit.se"
-        artifactId = archivesBaseName
+        artifactId = base.archivesName
         version = "2.5.0-SNAPSHOT"
 
         licenses {
@@ -156,22 +172,20 @@ publishing {
 
     // fix dependency scopes (see https://discuss.gradle.org/t/maven-publish-plugin-generated-pom-making-dependency-scope-runtime/7494/9)
     // and filter dependencies
+    def implementationDependencies = configurations.implementation.allDependencies
     publishing.publications.all {
       pom.withXml {
-        asNode().dependencies.'*'.findAll() {
-          it.scope.text() == 'runtime' && project.configurations.implementation.allDependencies.find { dep ->
+        asNode().dependencies.'*'.findAll {
+          it.scope.text() == 'runtime' &&
+          implementationDependencies.find { dep ->
             dep.name == it.artifactId.text()
           }
-        }.each() {
+        }.each {
           if (it.groupId.text() == "org.openjfx") {
-            // remove javafx dependencies for now (maybe make them optional in the future?)
             it.parent().remove(it)
-            // it.appendNode('optional', 'true')
           } else if (it.groupId.text() == "se.llbit") {
-            // se.llbit dependencies are included in chunky-core
             it.parent().remove(it)
           } else {
-            // everything else is a dependency as usual
             it.scope*.value = 'compile'
           }
         }
@@ -181,8 +195,8 @@ publishing {
 
   repositories {
     maven {
-      name 'Build'
-      url layout.buildDirectory.dir('maven')
+      name = 'Build'
+      url = layout.buildDirectory.dir('maven')
     }
   }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bdc9a83b1..0feaf0e65 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/launcher/build.gradle b/launcher/build.gradle
index 26b483e1f..ec5db95a0 100644
--- a/launcher/build.gradle
+++ b/launcher/build.gradle
@@ -1,7 +1,9 @@
 apply plugin: 'application'
 apply plugin: 'org.openjfx.javafxplugin'
 
-mainClassName = 'se.llbit.chunky.launcher.ChunkyLauncher'
+application {
+  mainClass = 'se.llbit.chunky.launcher.ChunkyLauncher'
+}
 
 configurations {
     bundled
@@ -51,7 +53,7 @@ sourceSets {
 }
 
 jar {
-    manifest.attributes 'Main-Class': mainClassName
+    manifest.attributes 'Main-Class': application.mainClass
 
     // Include classes from the common library.
     from project(':lib').configurations.archives.allArtifacts.files.collect {
diff --git a/settings.gradle b/settings.gradle
index 8863763fd..aa69042eb 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,5 +1,5 @@
 plugins {
-  id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0' // java toolchain resolver
+  id 'org.gradle.toolchains.foojay-resolver-convention' version '1.0.0' // java toolchain resolver
 }
 
 rootProject.name = 'chunky'

From 6e26c9c97486c929be3d40260c8571965679c1de Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 20:25:20 +0200
Subject: [PATCH 4/7] Remove obsolete names from setup-java and setup-gradle
 actions.

---
 .github/workflows/gradle.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 1aaecce46..0d5f90d58 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -17,13 +17,11 @@ jobs:
     - uses: actions/checkout@v7
       with:
         fetch-depth: 0
-    - name: Set up JDK 17
-      uses: actions/setup-java@v5
+    - uses: actions/setup-java@v5
       with:
         distribution: 'temurin'
         java-version: '25'
-    - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v6
+    - uses: gradle/actions/setup-gradle@v6
       with:
         cache-read-only: ${{ github.ref != 'refs/heads/master' && github.ref != 'refs/heads/chunky-2.4.x' }}
     - name: Grant execute permission for gradlew

From 091fe65071ecaddcbd04e67fca29a2fd45886e82 Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 20:28:58 +0200
Subject: [PATCH 5/7] Update JaCoCo for Java 25 support.

---
 build.gradle | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.gradle b/build.gradle
index a48b5a62d..418a81bde 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ subprojects {
         finalizedBy jacocoTestReport // report is always generated after tests run (it's very cheap)
     }
     jacoco {
-        toolVersion = "0.8.11"
+        toolVersion = "0.8.15"
     }
     jacocoTestReport {
         dependsOn test // tests are required to run before generating the report

From 559a6b792c106bc86d75464a08623843703a84c8 Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Sat, 25 Jul 2026 20:46:11 +0200
Subject: [PATCH 6/7] Use JUnit 5 for the launcher, too.

---
 launcher/build.gradle                                          | 1 -
 .../se/llbit/chunky/launcher/ChunkyLauncherCliParseTest.java   | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/launcher/build.gradle b/launcher/build.gradle
index ec5db95a0..2500b63bb 100644
--- a/launcher/build.gradle
+++ b/launcher/build.gradle
@@ -18,7 +18,6 @@ dependencies {
   implementation project(':lib')
 
   testImplementation 'com.google.truth:truth:1.1.3'
-  testImplementation 'junit:junit:4.13.2'
 }
 
 java {
diff --git a/launcher/test/se/llbit/chunky/launcher/ChunkyLauncherCliParseTest.java b/launcher/test/se/llbit/chunky/launcher/ChunkyLauncherCliParseTest.java
index a0cde5750..148086638 100644
--- a/launcher/test/se/llbit/chunky/launcher/ChunkyLauncherCliParseTest.java
+++ b/launcher/test/se/llbit/chunky/launcher/ChunkyLauncherCliParseTest.java
@@ -20,10 +20,9 @@
 
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.ParseException;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.junit.Assert.assertThrows;
 
 public class ChunkyLauncherCliParseTest {
   @Test

From eaf263cdc9d6a27d0cbd5b54999339c2ef3219e4 Mon Sep 17 00:00:00 2001
From: Maik Marschner <m.marschner@wertarbyte.com>
Date: Wed, 29 Jul 2026 01:23:30 +0200
Subject: [PATCH 7/7] Copy versioned chunky-core.jar into build directory and
 fix generating latest.json file.

---
 build.gradle      | 32 +++++++++++++++++++++++++++++---
 chunky/.gitignore |  1 +
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/build.gradle b/build.gradle
index 418a81bde..18d232e41 100644
--- a/build.gradle
+++ b/build.gradle
@@ -107,8 +107,23 @@ task releaseVersion {
   }
 }
 
+task prepareReleaseLibraries {
+    dependsOn ':chunky:copyExternalDependencies'
+    outputs.upToDateWhen { false }
+
+    doLast {
+        def libDir = file('chunky/lib')
+        libDir.mkdirs()
+        copy {
+            from project(':chunky').tasks.named('copyExternalDependencies').get().outputs.files
+            into libDir
+        }
+    }
+}
+
 task versionInfo(type: JavaExec) {
     dependsOn 'copyArtifacts'
+    dependsOn 'prepareReleaseLibraries'
     outputs.upToDateWhen { false }
 
     outputs.file(layout.buildDirectory.file("chunky-${projectVersion}.jar"))
@@ -142,6 +157,7 @@ def launcherArchives = project(':launcher').configurations.archives
 
 task buildReleaseJar(type: Jar) {
     dependsOn ':launcher:assembleDist'
+    dependsOn 'prepareReleaseLibraries'
     dependsOn 'versionInfo'
 
     archiveFileName = "chunky-${projectVersion}.jar"
@@ -166,10 +182,20 @@ task buildReleaseJar(type: Jar) {
     rename "latest.json", "version.json"
 }
 
-task copyArtifacts(type: Copy) {
+task copyArtifacts {
     dependsOn subprojects.jar
-    from subprojects.jar
-    into buildDir
+    dependsOn ':chunky:jar'
+    outputs.upToDateWhen { false }
+
+    doLast {
+        def sourceJar = project(':chunky').tasks.named('jar').get().archiveFile.get().asFile
+        def rootJar = file("build/chunky-core-${projectVersion}.jar")
+        copy {
+            from sourceJar
+            into rootJar.parentFile
+            rename { rootJar.name }
+        }
+    }
 }
 
 /** Helper function to run a command. Returns the command output if the command succeeded. */
diff --git a/chunky/.gitignore b/chunky/.gitignore
index 0cdf65487..7e3963237 100644
--- a/chunky/.gitignore
+++ b/chunky/.gitignore
@@ -1,3 +1,4 @@
 /bin/
 /build/
+/lib/
 /src/gen-res/