Update Kotlin version to 1.9.21 (#318)

Author: FenstonSingel

README.md

@@ -4,7 +4,7 @@
 [![JetBrains official project](https://jb.gg/badges/official.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub) 
 [![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)
 [![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-datetime.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22org.jetbrains.kotlinx%22%20AND%20a:%22kotlinx-datetime%22)
-[![Kotlin](https://img.shields.io/badge/kotlin-1.8.21-blue.svg?logo=kotlin)](http://kotlinlang.org)
+[![Kotlin](https://img.shields.io/badge/kotlin-1.9.21-blue.svg?logo=kotlin)](http://kotlinlang.org)
 [![KDoc link](https://img.shields.io/badge/API_reference-KDoc-blue)](https://kotlinlang.org/api/kotlinx-datetime/)
 [![Slack channel](https://img.shields.io/badge/chat-slack-blue.svg?logo=slack)](https://kotlinlang.slack.com/messages/kotlinx-datetime/)
 [![TeamCity build](https://img.shields.io/teamcity/build/s/KotlinTools_KotlinxDatetime_Build_All.svg?server=http%3A%2F%2Fteamcity.jetbrains.com)](https://teamcity.jetbrains.com/viewType.html?buildTypeId=KotlinTools_KotlinxDatetime_Build_All&guest=1)

core/build.gradle.kts

@@ -72,9 +72,6 @@ kotlin {
             target("iosArm64")
             // Tier 3
             target("watchosDeviceArm64")
-            // Deprecated for removal
-            target("iosArm32")
-            target("watchosX86")
         }
     }
 

core/darwin/src/Converters.kt

@@ -3,7 +3,10 @@
  * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
  */
 
+@file:OptIn(kotlinx.cinterop.ExperimentalForeignApi::class, kotlinx.cinterop.UnsafeNumber::class)
+
 package kotlinx.datetime
+
 import kotlinx.cinterop.*
 import platform.Foundation.*
 

core/darwin/src/TimeZoneNative.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
  */
 
+@file:OptIn(kotlinx.cinterop.UnsafeNumber::class)
+
 package kotlinx.datetime
 
 import platform.Foundation.*

core/darwin/test/ConvertersTest.kt

@@ -94,6 +94,7 @@ class ConvertersTest {
         assertEquals(str + "Z", dateFormatter.stringFromDate(nsDate))
     }
 
+    @OptIn(kotlinx.cinterop.ExperimentalForeignApi::class)
     private fun zoneOffsetCheck(timeZone: FixedOffsetTimeZone, hours: Int, minutes: Int) {
         val nsTimeZone = timeZone.toNSTimeZone()
         val kotlinTimeZone = nsTimeZone.toKotlinTimeZone()

core/native/cinterop_actuals/TimeZoneNative.kt

@@ -2,6 +2,9 @@
  * Copyright 2019-2020 JetBrains s.r.o.
  * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
  */
+
+@file:OptIn(kotlinx.cinterop.ExperimentalForeignApi::class)
+
 package kotlinx.datetime
 
 import kotlinx.datetime.internal.*

gradle.properties

@@ -5,16 +5,14 @@ group=org.jetbrains.kotlinx
 version=0.4.1
 versionSuffix=SNAPSHOT
 
-defaultKotlinVersion=1.8.21
+defaultKotlinVersion=1.9.21
 dokkaVersion=1.8.20
 serializationVersion=1.5.1
 
 java.mainToolchainVersion=8
 java.modularToolchainVersion=11
 
-kotlin.mpp.stability.nowarn=true
-kotlin.mpp.enableCompatibilityMetadataVariant=true
-kotlin.js.compiler=both
+kotlin.js.compiler=ir
 kotlin.native.ignoreIncorrectDependencies=true
 kotlin.native.ignoreDisabledTargets=true
 

kotlin-js-store/yarn.lock

@@ -22,11 +22,9 @@ kotlin {
         target("macosArm64")
         target("iosX64")
         target("iosArm64")
-        target("iosArm32")
         target("iosSimulatorArm64")
         target("watchosArm32")
         target("watchosArm64")
-        target("watchosX86")
         target("watchosX64")
         target("watchosSimulatorArm64")
         target("watchosDeviceArm64")