Add ChangeLog for kotlin 1.4.31

Author: anastasiia.spaseeva

ChangeLog.md

@@ -1,5 +1,33 @@
 # CHANGELOG
 
+## 1.4.31
+
+
+### Compiler
+
+- [`KT-39776`](https://youtrack.jetbrains.com/issue/KT-39776) 2020.3+: Unresolved reference to Kotlin stdlib function
+
+### IDE. Gradle Integration
+
+- [`KT-44845`](https://youtrack.jetbrains.com/issue/KT-44845) After update to Kotlin 1.4.30 all external dependencies is unresolved in IDE with kotlin.mpp.enableGranularSourceSetsMetadata=true
+
+### IDE. Gradle. Script
+
+- [`KTIJ-11137`](https://youtrack.jetbrains.com/issue/KTIJ-1137) build.gradle.kts: Fatal error during save/load standalone scripts settings
+- [`KTIJ-898`](https://youtrack.jetbrains.com/issue/KTIJ-898) Unable to import with Kotlin DSL buildscript - NullPointerException in KotlinDslScriptModelProcessorKt.toListOfScriptModels
+
+### IDE. Multiplatform
+
+- [`KTIJ-1200`](https://youtrack.jetbrains.com/issue/KTIJ-1200) KotlinIconProviderKt.addExpectActualMarker takes up to 180+ seconds
+
+### IDE
+
+#### Fixes
+
+- [`KT-44697`](https://youtrack.jetbrains.com/issue/KT-44697) New JVM IR backend notification - narrow its triggering to Kotlin projects
+- [`KT-44523`](https://youtrack.jetbrains.com/issue/KT-44523) IDE notification for trying new JVM backend
+- [`KTIJ-696`](https://youtrack.jetbrains.com/issue/KTIJ-696) Freeze during startup of IDEA with intellij project with Kotlin (211-1.4.10-release-IJ1440)
+
 ## 1.4.30
 
 ### Android