Advance kotlin to 1.4.20-M1-34

Author: erokhins

gradle.properties

@@ -3,25 +3,25 @@
 #
 
 # Kotlin
-version=1.4.2-SNAPSHOT
+version=1.3.9-native-mt-SNAPSHOT
 group=org.jetbrains.kotlinx
-kotlin_version=1.4.20
+kotlin_version=1.4.20-M1-34
 
 # Dependencies
 junit_version=4.12
 atomicfu_version=0.14.4
-knit_version=0.2.3
+knit_version=0.1.3
 html_version=0.6.8
-lincheck_version=2.10
+lincheck_version=2.7.1
 dokka_version=0.9.16-rdev-2-mpp-hacks
 byte_buddy_version=1.10.9
-reactor_version=3.4.1
+reactor_version=3.2.5.RELEASE
 reactive_streams_version=1.0.2
 rxjava2_version=2.2.8
 rxjava3_version=3.0.2
 javafx_version=11.0.2
 javafx_plugin_version=0.0.8
-binary_compatibility_validator_version=0.3.0
+binary_compatibility_validator_version=0.2.2
 blockhound_version=1.0.2.RELEASE
 jna_version=5.5.0
 
@@ -47,17 +47,18 @@ jsdom_global_version=3.0.2
 kotlin.incremental.multiplatform=true
 kotlin.native.ignoreDisabledTargets=true
 
-# Site generation
+# Site deneration
 jekyll_version=4.0
 
-# JS IR backend sometimes crashes with out-of-memory
+# JS IR baceknd sometimes crashes with out-of-memory
 # TODO: Remove once KT-37187 is fixed
 org.gradle.jvmargs=-Xmx2g
 
 # Workaround for Bintray treating .sha512 files as artifacts
 # https://github.com/gradle/gradle/issues/11412
 systemProp.org.gradle.internal.publish.checksums.insecure=true
 
-# todo:KLUDGE: This is commented out, and the property is set conditionally in build.gradle, because IDEA doesn't work with it.
+# This is commented out, and the property is set conditionally in build.gradle, because 1.3.71 doesn't work with it.
+# Once this property is set by default in new versions or 1.3.71 is dropped, either uncomment or remove this line.
 #kotlin.mpp.enableGranularSourceSetsMetadata=true
 kotlin.mpp.enableCompatibilityMetadataVariant=true