Update Kotlin to 1.4.0-rc

Author: ilya-g

build.gradle.kts

@@ -1,10 +1,9 @@
 buildscript {
     repositories {
         mavenCentral()
-        maven(url = "https://dl.bintray.com/kotlin/kotlin-eap")
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.0-rc")
     }
 }
 
@@ -61,7 +60,6 @@ val JDK_8 by ext(jdkPath(8))
 allprojects {
     repositories {
         mavenCentral()
-        maven(url = "https://dl.bintray.com/kotlin/kotlin-eap")
     }
 }
 

core/build.gradle.kts

@@ -165,14 +165,14 @@ kotlin {
         val jsMain by getting {
             dependencies {
                 api("org.jetbrains.kotlin:kotlin-stdlib-js")
-                implementation(npm("js-joda", "core",  "1.12.0"))
+                implementation(npm("@js-joda/core",  "3.0.0"))
             }
         }
 
         val jsTest by getting {
             dependencies {
                 api("org.jetbrains.kotlin:kotlin-test-js")
-                implementation(npm("js-joda", "timezone", "2.2.0"))
+                implementation(npm("@js-joda/timezone", "2.3.0"))
             }
         }
 

core/nativeMain/src/Instant.kt

@@ -253,10 +253,8 @@ public actual class Instant internal constructor(actual val epochSeconds: Long,
         actual fun parse(isoString: String): Instant =
             instantParser.parse(isoString)
 
-        @SharedImmutable
         actual val DISTANT_PAST: Instant = fromEpochSeconds(DISTANT_PAST_SECONDS, 999_999_999)
 
-        @SharedImmutable
         actual val DISTANT_FUTURE: Instant = fromEpochSeconds(DISTANT_FUTURE_SECONDS, 0)
     }
 

core/nativeMain/src/TimeZone.kt

@@ -26,7 +26,6 @@ public actual open class TimeZone internal constructor(private val tzid: TZID, a
             TimeZone(tzid.value, kotlinString)
         }
 
-        @SharedImmutable
         actual val UTC: TimeZone = ZoneOffset.UTC
 
         // org.threeten.bp.ZoneId#of(java.lang.String)
@@ -136,7 +135,6 @@ public actual class ZoneOffset internal constructor(actual val totalSeconds: Int
 
     companion object {
         // org.threeten.bp.ZoneOffset#UTC
-        @SharedImmutable
         val UTC = ZoneOffset(0, "Z")
 
         // org.threeten.bp.ZoneOffset#of

darwin-integration/build.gradle.kts

@@ -15,6 +15,11 @@ kotlin {
         target("tvosX64")
     }
 
+    if (System.getProperty("idea.active")?.toBoolean() == true) {
+        // workaround: add jvm target for non-Mac hosts during IDEA import to avoid 'no targets' error
+        jvm()
+    }
+
     sourceSets.all {
         kotlin.setSrcDirs(listOf("$name/src"))
     }

gradle.properties

@@ -1,3 +1,10 @@
 group=org.jetbrains.kotlinx
 version=0.0.1
-versionSuffix=SNAPSHOT
+versionSuffix=SNAPSHOT
+
+#kotlin.mpp.enableGranularSourceSetsMetadata=true
+#kotlin.mpp.enableCompatibilityMetadataVariant=true
+
+# Workaround for Bintray treating .sha512 files as artifacts
+# https://github.com/gradle/gradle/issues/11412
+systemProp.org.gradle.internal.publish.checksums.insecure=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists