feat(upgrade): Upgrade to java 25 to support 262.*

.github/workflows/build.yml

@@ -46,14 +46,14 @@ jobs:
 
       # Validate wrapper
       - name: Gradle Wrapper Validation
-        uses: gradle/actions/wrapper-validation@v3
+        uses: gradle/actions/wrapper-validation@v5
 
       # Set up Java environment for the next steps
       - name: Setup Java
         uses: actions/setup-java@v5
         with:
           distribution: zulu
-          java-version: 21
+          java-version: 25
 
       # Setup Gradle
       - name: Setup Gradle
@@ -86,7 +86,7 @@ jobs:
 
       # Store already-built plugin as an artifact for downloading
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ steps.artifact.outputs.filename }}
           path: ./build/distributions/content/*/*
@@ -113,7 +113,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: zulu
-          java-version: 21
+          java-version: 25
 
       # Setup Gradle
       - name: Setup Gradle
@@ -123,12 +123,12 @@ jobs:
 
       # Run tests
       - name: Run Tests
-        run: ./gradlew check
+        run: ./gradlew check --stacktrace
 
       # Collect Tests Result of failed tests
       - name: Collect Tests Result
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: tests-result
           path: ${{ github.workspace }}/build/reports/tests
@@ -155,7 +155,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: zulu
-          java-version: 21
+          java-version: 25
 
       # Setup Gradle
       - name: Setup Gradle
@@ -165,7 +165,7 @@ jobs:
 
       # Cache Plugin Verifier IDEs
       - name: Setup Plugin Verifier IDEs Cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ needs.build.outputs.pluginVerifierHomeDir }}/ides
           key: plugin-verifier

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
         uses: actions/setup-java@v5
         with:
           distribution: zulu
-          java-version: 21
+          java-version: 25
           cache: gradle
 
       # Setup Gradle

.java-version

@@ -0,0 +1 @@
+25

build.gradle.kts

@@ -1,22 +1,34 @@
 plugins {
     id("java")
-    id("org.jetbrains.kotlin.jvm") version "2.1.20"
-    id("org.jetbrains.intellij.platform") version "2.13.1"
+    id("org.jetbrains.intellij.platform") version "2.17.0"
 }
 
 group = "com.github.junkfactory"
 version = providers.gradleProperty("pluginVersion").get()
 
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(25))
+    }
+}
+
+tasks.withType<JavaCompile> {
+    options.release.set(25)
+}
+
 repositories {
     mavenCentral()
+    maven("https://oss.sonatype.org/content/repositories/snapshots/")
     intellijPlatform {
-        defaultRepositories();
+        defaultRepositories()
     }
 }
 
 dependencies {
     intellijPlatform {
-        create("IU", "2026.1")
+        create("IU", "LATEST-EAP-SNAPSHOT") {
+            useInstaller = false
+        }
         testFramework(org.jetbrains.intellij.platform.gradle.TestFrameworkType.Platform)
 
         // Add necessary plugin dependencies for compilation here, example:
@@ -28,7 +40,7 @@ intellijPlatform {
     pluginConfiguration {
         ideaVersion {
             sinceBuild = "242"
-            untilBuild = "261.*"
+            untilBuild = "262.*"
         }
     }
 
@@ -42,17 +54,6 @@ intellijPlatform {
 // Configure Gradle IntelliJ Plugin
 // Read more: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 tasks {
-    // Set the JVM compatibility versions
-    withType<JavaCompile> {
-        sourceCompatibility = "21"
-        targetCompatibility = "21"
-    }
-    withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-        compilerOptions {
-            jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_21)
-        }
-    }
-
     signPlugin {
         certificateChain.set(System.getenv("CERTIFICATE_CHAIN"))
         privateKey.set(System.getenv("PRIVATE_KEY"))