Downgrade from Kotlin 2.1.0 to 2.0.21

Author: nedtwigg

CHANGES.md

@@ -1,6 +1,8 @@
 # DurianRx releases
 
 ## [Unreleased]
+### Changed
+- Downgrade from Kotlin `2.1.0` to `2.0.21`
 
 ## [5.0.0] - 2025-01-24
 ### Changed

build.gradle

@@ -24,7 +24,7 @@ def VER_JUNIT='4.12'
 dependencies {
 	implementation "com.diffplug.durian:durian-core:${VER_DURIAN}"
 	implementation "com.diffplug.durian:durian-concurrent:${VER_DURIAN}"
-	api "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.5.2"
+	api "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.9.0"
 	testImplementation "junit:junit:${VER_JUNIT}"
 	testImplementation "com.diffplug.durian:durian-testlib:${VER_DURIAN}"
 	testImplementation "com.diffplug.durian:durian-debug:${VER_DURIAN_DEBUG}"

settings.gradle

@@ -20,11 +20,11 @@ plugins {
 	// https://plugins.gradle.org/plugin/org.jetbrains.dokka
 	id 'org.jetbrains.dokka'                       version '1.9.20' apply false
 	// https://plugins.gradle.org/plugin/org.jetbrains.kotlin.jvm
-	id 'org.jetbrains.kotlin.jvm'                  version '2.1.0' apply false
+	id 'org.jetbrains.kotlin.jvm'                  version '2.0.21' apply false
 	// https://plugins.gradle.org/plugin/org.jetbrains.kotlin.plugin.serialization
-	id 'org.jetbrains.kotlin.plugin.serialization' version '2.1.0' apply false
+	id 'org.jetbrains.kotlin.plugin.serialization' version '2.0.21' apply false
 	// https://plugins.gradle.org/plugin/org.jetbrains.kotlin.multiplatform
-	id 'org.jetbrains.kotlin.multiplatform' version '2.1.0' apply false
+	id 'org.jetbrains.kotlin.multiplatform' version '2.0.21' apply false
 	// https://github.com/adamko-dev/dokkatoo/releases
 	id 'dev.adamko.dokkatoo-html' version '2.4.0' apply false
 }
@@ -34,6 +34,7 @@ blowdryerSetup {
 	setPluginsBlockTo {
 		it.file 'plugin.versions'
 		it.file 'plugin-kotlin.versions'
+		it.replace '2.1.0', '2.0.21'
 	}
 }