JabRef · koppor · Sep 29, 2025 · Sep 29, 2025 · Sep 29, 2025 · Sep 29, 2025
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
@@ -31,9 +31,9 @@
         // Install java.
         // See https://github.com/devcontainers/features/tree/main/src/java#options for details.
         "ghcr.io/devcontainers/features/java:1": {
-            "version": "24.0.2-amzn",
+            "version": "latest",
             "installGradle": true,
-            "gradleVersion": "8.14.3",
+            "gradleVersion": "latest",
             "jdkDistro": "Corretto"
         }
     }

diff --git a/.github/workflows/binaries.yml b/.github/workflows/binaries.yml
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
@@ -92,7 +92,7 @@ jobs:
       - name: Setup JDK
         uses: actions/setup-java@v5
         with:
-          java-version: '24'
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle

diff --git a/.github/workflows/run-openrewrite.yml b/.github/workflows/run-openrewrite.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle

diff --git a/.github/workflows/sbom-pr.yml b/.github/workflows/sbom-pr.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: 'corretto'
-          java-version: '24'
+          java-version: 25
           check-latest: true
           cache: 'gradle'
 

diff --git a/.github/workflows/tests-code-fetchers.yml b/.github/workflows/tests-code-fetchers.yml
@@ -56,7 +56,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle

diff --git a/.github/workflows/tests-code.yml b/.github/workflows/tests-code.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Run checkstyle reporter
@@ -92,7 +92,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -130,6 +130,8 @@ jobs:
   modernizer:
     name: Modernizer
     runs-on: ubuntu-latest
+    # Version 1.11.0 does not run on JDK25: "java.lang.reflect.InvocationTargetException"
+    if: false
     steps:
       - name: Checkout source
         uses: actions/checkout@v5
@@ -139,7 +141,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -257,7 +259,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -293,7 +295,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Generate JBang cache key
@@ -342,7 +344,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -392,7 +394,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -441,7 +443,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Generate JBang cache key
@@ -485,7 +487,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Generate JBang cache key
@@ -562,7 +564,7 @@ jobs:
         if: github.ref == 'refs/heads/main'
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle
@@ -608,7 +610,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: 24
+          java-version: 25
           distribution: 'corretto'
           check-latest: true
       - name: Setup Gradle

diff --git a/.jbang/CheckoutPR.java b/.jbang/CheckoutPR.java
@@ -24,7 +24,7 @@
 //DEPS org.eclipse.jgit:org.eclipse.jgit.pgm:7.4.0.202509020913-r
 
 public class CheckoutPR {
-    public static void main(String[] args) throws Exception {
+    static void main(String[] args) throws Exception {
         GitHub github = new GitHubBuilder().build();
         GHRepository repo = github.getRepository("JabRef/jabref");
 

diff --git a/.jbang/CloneJabRef.java b/.jbang/CloneJabRef.java
@@ -9,7 +9,7 @@
 //DEPS org.eclipse.jgit:org.eclipse.jgit.pgm:7.4.0.202509020913-r
 
 public class CloneJabRef {
-    public static void main(String[] args) throws Exception {
+    static void main(String[] args) throws Exception {
         Path targetDir;
         if (args.length == 1) {
             targetDir = Path.of(args[0]).toAbsolutePath();

diff --git a/.jbang/JabKitLauncher.java b/.jbang/JabKitLauncher.java
@@ -2,7 +2,7 @@
 
 //DESCRIPTION jabkit - mange BibTeX files using JabRef
 
-//JAVA 24
+//JAVA 25
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //SOURCES ../jabkit/src/main/java/org/jabref/cli/converter/CygWinPathConverter.java
@@ -41,7 +41,7 @@
 
 /// This class is required for [jbang](https://www.jbang.dev/)
 public class JabKitLauncher {
-    public static void main(String[] args) {
+    static void main(String[] args) {
         org.jabref.JabKit.main(args);
     }
 }
diff --git a/.jbang/JabLsLauncher.java b/.jbang/JabLsLauncher.java
@@ -2,7 +2,7 @@
 
 //DESCRIPTION jabls - start a bibtex languageserver
 
-//JAVA 24
+//JAVA 25
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //SOURCES ../jabls-cli/src/main/java/org/jabref/languageserver/cli/ServerCli.java
@@ -53,7 +53,7 @@
 
 /// This class is required for [jbang](https://www.jbang.dev/)
 public class JabLsLauncher {
-    public static void main(String[] args) throws Exception {
+    static void main(String[] args) throws Exception {
         org.jabref.languageserver.cli.ServerCli.main(args);
     }
 }
diff --git a/.jbang/JabSrvLauncher.java b/.jbang/JabSrvLauncher.java
@@ -2,7 +2,7 @@
 
 //DESCRIPTION jabsrv - serve BibTeX files using JabRef
 
-//JAVA 24
+//JAVA 25
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //SOURCES ../jabsrv-cli/src/main/java/org/jabref/http/server/cli/ServerCli.java
@@ -91,7 +91,7 @@
 
 /// This class is required for [jbang](https://www.jbang.dev/)
 public class JabSrvLauncher {
-    public static void main(String[] args) throws Exception {
+    static void main(String[] args) throws Exception {
         org.jabref.http.server.cli.ServerCli.main(args);
     }
 }
diff --git a/.moderne/moderne.yml b/.moderne/moderne.yml
@@ -1,3 +1,3 @@
 specs: specs.moderne.ai/v1/cli
 java:
-  selectedJdk: '24'
+  selectedJdk: '25'
diff --git a/.sdkmanrc b/.sdkmanrc
@@ -1,2 +1,2 @@
-java=24.0.2-amzn
+java=25-tem
 #visualvm=2.1.10
diff --git a/build-logic/src/main/kotlin/org.jabref.gradle.base.dependency-rules.gradle.kts b/build-logic/src/main/kotlin/org.jabref.gradle.base.dependency-rules.gradle.kts
@@ -28,6 +28,8 @@ jvmDependencyConflicts.patch {
             addTargetPlatformVariant("mac", OperatingSystemFamily.MACOS, MachineArchitecture.X86_64)
             addTargetPlatformVariant("mac-aarch64", OperatingSystemFamily.MACOS, MachineArchitecture.ARM64)
             addTargetPlatformVariant("win", OperatingSystemFamily.WINDOWS, MachineArchitecture.X86_64)
+            // Since JDK26 delivered as JMOD
+            removeDependency("org.openjfx:jdk-jsobject")
         }
     }
     // Source: https://github.com/jjohannes/java-module-system/blob/be19f6c088dca511b6d9a7487dacf0b715dbadc1/gradle/plugins/src/main/kotlin/metadata-patch.gradle.kts#L9
@@ -558,8 +560,6 @@ extraJavaModuleInfo {
         requiresTransitive("jdk.unsupported")
     }
 
-    module("org.openjfx:jdk-jsobject", "jdk.jsobjectEmpty") {}
-
     module("org.controlsfx:controlsfx", "org.controlsfx.controls") {
         patchRealModule()
 

diff --git a/build-logic/src/main/kotlin/org.jabref.gradle.feature.compile.gradle.kts b/build-logic/src/main/kotlin/org.jabref.gradle.feature.compile.gradle.kts
@@ -8,14 +8,15 @@ java {
         // - build.gradle -> jacoco -> toolVersion (because JaCoCo does not support newest JDK out of the box. Check versions at https://www.jacoco.org/jacoco/trunk/doc/changes.html)
         // - jitpack.yml
         // - .devcontainer/devcontainer.json#L34 - there, also check if the gradleVersion matches the one of gradle/wrapper/gradle-wrapper.properties
-        // - .moderne/moderne.yml
         // - .github/workflows/binaries*.yml
         // - .github/workflows/publish.yml
         // - .github/workflows/tests*.yml
-        // - .github/workflows/update-gradle-wrapper.yml
-        // - docs/getting-into-the-code/guidelines-for-setting-up-a-local-workspace/intellij-12-build.md
+        // - .jbang/Jab*.java
+        // - .moderne/moderne.yml
         // - .sdkmanrc
-        languageVersion = JavaLanguageVersion.of(24)
+        // - build-support/src/main/java/*.java
+        // - docs/getting-into-the-code/guidelines-for-setting-up-a-local-workspace/intellij-12-build.md
+        languageVersion = JavaLanguageVersion.of(25)
         // See https://docs.gradle.org/current/javadoc/org/gradle/jvm/toolchain/JvmVendorSpec.html for a full list
         // Temurin does not ship jmods, thus we need to use another JDK -- see https://github.com/actions/setup-java/issues/804
         // We also need a JDK without JavaFX, because we patch JavaFX due to modularity issues
@@ -24,5 +25,5 @@ java {
 }
 
 tasks.withType<JavaCompile>().configureEach {
-    options.release = 24
+    options.release = 25
 }
diff --git a/build-support/src/main/java/CitationStyleCatalogGenerator.java b/build-support/src/main/java/CitationStyleCatalogGenerator.java
@@ -1,4 +1,4 @@
-//JAVA 24
+//JAVA 25+
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //DEPS com.fasterxml.jackson.core:jackson-databind:2.17.1
@@ -45,7 +45,7 @@ public class CitationStyleCatalogGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(CitationStyleCatalogGenerator.class);
 
-    public static void main(String[] args) {
+    static void main(String[] args) {
         generateCitationStyleCatalog();
     }
 

diff --git a/build-support/src/main/java/JournalListMvGenerator.java b/build-support/src/main/java/JournalListMvGenerator.java
@@ -1,4 +1,4 @@
-//JAVA 24
+//JAVA 25+
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //DEPS com.h2database:h2:2.2.224
@@ -48,7 +48,7 @@ public class JournalListMvGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(JournalListMvGenerator.class);
 
-    public static void main(String[] args) throws IOException {
+    static void main(String[] args) throws IOException {
         boolean verbose = (args.length == 1) && ("--verbose".equals(args[0]));
 
         Path abbreviationsDirectory = Path.of("jablib", "src", "main", "abbrv.jabref.org", "journals");

diff --git a/build-support/src/main/java/LtwaListMvGenerator.java b/build-support/src/main/java/LtwaListMvGenerator.java
@@ -1,4 +1,4 @@
-//JAVA 24
+//JAVA 25+
 //RUNTIME_OPTIONS --enable-native-access=ALL-UNNAMED
 
 //DEPS com.h2database:h2:2.2.224
@@ -46,7 +46,7 @@ public class LtwaListMvGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(LtwaListMvGenerator.class);
 
-    public static void main(String[] args) {
+    static void main(String[] args) {
         try {
             Path tempCsvFile = Path.of("jablib", "build", "tmp", "ltwa_20210702.csv");
             if (!Files.exists(tempCsvFile)) {

diff --git a/docs/code-howtos/eventbus.md b/docs/code-howtos/eventbus.md
@@ -49,7 +49,7 @@ import com.google.common.eventbus.EventBus;
 public class Main {
    private static EventBus eventBus = new EventBus();
 
-   public static void main(String[] args) {
+   static void main(String[] args) {
       Main main = new Main();
       Listener listener = new Listener();
       eventBus.register(listener);

diff --git a/...-into-the-code/guidelines-for-setting-up-a-local-workspace/intellij-12-build.md b/...-into-the-code/guidelines-for-setting-up-a-local-workspace/intellij-12-build.md
@@ -33,13 +33,13 @@ Go to "File > Project Structure" or press <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>
 ![Open Project Structure](12-02-open-project-settings.png)
 {% endfigure %}
 
-Click on "Project" on the left side. Then, select **temurin-24** as the project SDK (continue reading if this option is not available).
+Click on "Project" on the left side. Then, select **temurin-25** as the project SDK (continue reading if this option is not available).
 
 {% figure caption:"Project Structure - Project SDK" %}
 ![Project Structure - Project SDK](12-03-project-sdk.png)
 {% endfigure %}
 
-If you do not have the access to this JDK, download it by clicking on "Download JDK..." In the dialog that opens, select version 24, vendor "Eclipse Temurin (AdoptOpenJDK HotSpot)", and click "Download".
+If you do not have the access to this JDK, download it by clicking on "Download JDK..." In the dialog that opens, select version 25, vendor "Eclipse Temurin (AdoptOpenJDK HotSpot)", and click "Download".
 
 {% figure caption:"Dropdown to select Download JDK" %}
 ![Dropdown to select Download JDK](12-04-download-jdk.png)