Upgrade to Kotlin 1.9.20 (#1445)

No language functionality differences we care about, but the compiler can now produce JVM 21 bytecode.
terraware · Nov 1, 2023 · 3977a61 · 3977a61
1 parent b2df422
commit 3977a61
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/build.gradle.kts b/build.gradle.kts
@@ -239,16 +239,15 @@ sourceSets.test { java.srcDir("build/generated-test/kotlin") }
 
 java {
   toolchain { languageVersion = JavaLanguageVersion.of(21) }
-  // Kotlin compiler (as of 1.9.10) only supports Java 20 target compatibility.
-  targetCompatibility = JavaVersion.VERSION_20
+  targetCompatibility = JavaVersion.VERSION_21
 }
 
 node { yarnVersion = "1.22.17" }
 
 tasks.withType<KotlinCompile> {
   compilerOptions {
     // Kotlin and Java target compatibility must be the same.
-    jvmTarget = JvmTarget.JVM_20
+    jvmTarget = JvmTarget.JVM_21
     allWarningsAsErrors = true
   }
 

diff --git a/gradle.properties b/gradle.properties
@@ -15,7 +15,7 @@ jacksonVersion=2.15.3
 jooqVersion=3.18.7
 jtsVersion=1.19.0
 jUnitVersion=5.9.3
-kotlinVersion=1.9.0
+kotlinVersion=1.9.20
 ktfmtVersion=0.42
 ktorVersion=2.3.5
 postgresJdbcVersion=42.6.0