Update Kotlin to 2.1.0 (#501)

Author: mvicsokolova

buildSrc/src/main/kotlin/gradle-compatibility.gradle.kts

@@ -22,8 +22,8 @@ kotlin {
     @Suppress("DEPRECATION", "DEPRECATION_ERROR")
     compilerOptions {
         languageVersion = getOverridingKotlinLanguageVersion(project)?.let { KotlinVersion.fromVersion(it) }
-            ?: KotlinVersion.KOTLIN_1_4
+            ?: KotlinVersion.KOTLIN_1_6
         apiVersion = getOverridingKotlinApiVersion(project)?.let { KotlinVersion.fromVersion(it) }
-            ?: KotlinVersion.KOTLIN_1_4
+            ?: KotlinVersion.KOTLIN_1_6
     }
 }

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-kotlin = "2.0.21"
-kotlin-for-gradle-plugin = "2.0.21" # Kotlin 2.1 removes support for the used language version / api version: KT-60521
+kotlin = "2.1.0"
+kotlin-for-gradle-plugin = "2.1.0" # Kotlin 2.1 removes support for the used language version / api version: KT-60521
 kotlinx-binaryCompatibilityValidator = "0.16.0"
 asm = "9.7"
 slf4j = "1.8.0-alpha2"

integration-testing/examples/jdk-compatibility/gradle.properties

@@ -1,7 +1,7 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=2.0.21
+kotlin_version=2.1.0
 atomicfu_version=0.26.1-SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g

integration-testing/examples/jvm-sample/gradle.properties

@@ -1,7 +1,7 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=2.0.21
+kotlin_version=2.1.0
 atomicfu_version=0.26.1-SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g

integration-testing/examples/mpp-sample/gradle.properties

@@ -1,7 +1,7 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=2.0.21
+kotlin_version=2.1.0
 atomicfu_version=0.26.1-SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g

integration-testing/examples/mpp-version-catalog/gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 junit = "4.13.2"
-kotlin = "2.0.21"
+kotlin = "2.1.0"
 atomicfu = "0.26.1-SNAPSHOT"
 ktor = "2.3.8"
 logback = "1.5.0"

integration-testing/examples/multi-module-test/gradle.properties

@@ -1,4 +1,4 @@
-kotlin_version=2.0.21
+kotlin_version=2.1.0
 atomicfu_version=0.26.1-SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g

integration-testing/examples/plugin-order-bug/gradle.properties

@@ -1,7 +1,7 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=1.9.20
+kotlin_version=2.1.0
 atomicfu_version=0.26.1-SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g

integration-testing/examples/user-project/gradle.properties

@@ -1,6 +1,6 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=2.0.21
+kotlin_version=2.1.0
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=2g