JVM compatibility version extracted to `gradle.properties` file

.github/template-cleanup/gradle.properties

@@ -22,6 +22,11 @@ platformDownloadSources = true
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22
 platformPlugins =
 
+# Java language level used to compile sources and to generate the files for - Java 11 is required since 2020.3
+javaVersion = 11
+
+gradleVersion = 7.1.1
+
 # Opt-out flag for bundling Kotlin standard library.
 # See https://plugins.jetbrains.com/docs/intellij/kotlin.html#kotlin-standard-library for details.
 # suppress inspection "UnusedProperty"

CHANGELOG.md

@@ -7,6 +7,7 @@
 - GitHub Actions: UI Tests workflow
 - Suppress `UnusedProperty` inspection for the `kotlin.stdlib.default.dependency` in `gradle.properties`
 - Use Gradle `wrapper` task to handle Gradle updates
+- JVM compatibility version extracted to `gradle.properties` file
 
 ### Changed
 - Update `pluginVerifierIdeVersions` to `2020.3.4, 2021.1.3`

build.gradle.kts

@@ -66,17 +66,18 @@ detekt {
 // Configure UI tests plugin
 // Read more: https://github.com/JetBrains/intellij-ui-test-robot
 tasks {
-    // Set the compatibility versions to 1.8
-    withType<JavaCompile> {
-        sourceCompatibility = "1.8"
-        targetCompatibility = "1.8"
-    }
-    withType<KotlinCompile> {
-        kotlinOptions.jvmTarget = "1.8"
-    }
-
-    withType<Detekt> {
-        jvmTarget = "1.8"
+    // Set the JVM compatibility versions
+    properties("javaVersion").let {
+        withType<JavaCompile> {
+            sourceCompatibility = it
+            targetCompatibility = it
+        }
+        withType<KotlinCompile> {
+            kotlinOptions.jvmTarget = it
+        }
+        withType<Detekt> {
+            jvmTarget = it
+        }
     }
 
     wrapper {

gradle.properties

@@ -22,6 +22,9 @@ platformDownloadSources = true
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22
 platformPlugins =
 
+# Java language level used to compile sources and to generate the files for - Java 11 is required since 2020.3
+javaVersion = 11
+
 gradleVersion = 7.1.1
 
 # Opt-out flag for bundling Kotlin standard library.