Disable ProGuard's optimizations by default

Resolves #3387

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/dsl/ProguardSettings.kt

@@ -22,4 +22,5 @@ abstract class ProguardSettings @Inject constructor(
     val configurationFiles: ConfigurableFileCollection = objects.fileCollection()
     val isEnabled: Property<Boolean> = objects.notNullProperty(false)
     val obfuscate: Property<Boolean> = objects.notNullProperty(false)
+    val optimize: Property<Boolean> = objects.notNullProperty(false)
 }

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/internal/configureJvmApplication.kt

@@ -267,6 +267,7 @@ private fun JvmApplicationContext.configureProguardTask(
     // That's why a task property is follows ProGuard design,
     // when our DSL does the opposite.
     dontobfuscate.set(settings.obfuscate.map { !it })
+    dontoptimize.set(settings.optimize.map { !it })
 
     dependsOn(unpackDefaultResources)
     defaultComposeRulesFile.set(unpackDefaultResources.flatMap { it.resources.defaultComposeProguardRules })

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/tasks/AbstractProguardTask.kt

@@ -38,6 +38,10 @@ abstract class AbstractProguardTask : AbstractComposeDesktopTask() {
     @get:Input
     val dontobfuscate: Property<Boolean?> = objects.nullableProperty()
 
+    @get:Optional
+    @get:Input
+    val dontoptimize: Property<Boolean?> = objects.nullableProperty()
+
     // todo: DSL for excluding default rules
     // also consider pulling coroutines rules from coroutines artifact
     // https://github.com/Kotlin/kotlinx.coroutines/blob/master/kotlinx-coroutines-core/jvm/resources/META-INF/proguard/coroutines.pro
@@ -109,6 +113,10 @@ abstract class AbstractProguardTask : AbstractComposeDesktopTask() {
                 writer.writeLn("-dontobfuscate")
             }
 
+            if (dontoptimize.orNull == true) {
+                writer.writeLn("-dontoptimize")
+            }
+
             writer.writeLn("""
                 -keep public class ${mainClass.get()} {
                     public static void main(java.lang.String[]);

gradle-plugins/compose/src/test/test-projects/application/proguard/src/main/kotlin/Main.kt

@@ -1,3 +1,4 @@
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
@@ -25,7 +26,9 @@ object Main {
         }
 
         val image = renderComposeScene(height = 10, width = 10) {
-            mainShape()
+            AnimatedVisibility(true) {
+                mainShape()
+            }
         }
         val encodedImage = image.encodeToData(EncodedImageFormat.PNG) ?: error("Could not encode image as png")
         workingDir.resolve("main-image.actual.png").writeBytes(encodedImage.bytes)

gradle-plugins/gradle.properties

@@ -2,7 +2,7 @@ org.gradle.parallel=true
 kotlin.code.style=official
 
 # Default version of Compose Libraries used by Gradle plugin
-compose.version=1.4.1
+compose.version=1.5.0-dev1114
 # The latest version of Compose Compiler used by Gradle plugin. Used only in tests/CI.
 compose.tests.compiler.version=1.5.0
 # The latest version of Kotlin compatible with compose.tests.compiler.version. Used only in tests/CI.

tutorials/Native_distributions_and_local_execution/README.md

@@ -637,3 +637,14 @@ compose.desktop {
     }
 }
 ```
+
+ProGuard's optimization is disabled by default since Compose 1.5. To enable it, set the following property via Gradle DSL:
+```
+compose.desktop {
+    application {
+        buildTypes.release.proguard {
+            optimize.set(true)
+        }
+    }
+}
+```