diff --git a/build.gradle.kts b/build.gradle.kts
index aed79909c..7dbe87445 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,7 +15,7 @@ allprojects {
     }
 
     group = "space.kscience"
-    version = "0.3.1"
+    version = "0.3.2-dev-1"
 }
 
 subprojects {
diff --git a/gradle.properties b/gradle.properties
index fee75d428..76f51c4af 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,8 +9,8 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.configureondemand=true
 org.gradle.jvmargs=-Xmx4096m
 
-toolsVersion=0.14.8-kotlin-1.8.20
-
-
 org.gradle.parallel=true
 org.gradle.workers.max=4
+
+toolsVersion=0.14.8-kotlin-1.9.0-Beta
+#kscience.wasm.disabled=true
\ No newline at end of file
diff --git a/kmath-ast/src/commonTest/kotlin/space/kscience/kmath/ast/rendering/TestFeatures.kt b/kmath-ast/src/commonTest/kotlin/space/kscience/kmath/ast/rendering/TestFeatures.kt
index 7b5ec5765..bb6d39204 100644
--- a/kmath-ast/src/commonTest/kotlin/space/kscience/kmath/ast/rendering/TestFeatures.kt
+++ b/kmath-ast/src/commonTest/kotlin/space/kscience/kmath/ast/rendering/TestFeatures.kt
@@ -17,7 +17,7 @@ internal class TestFeatures {
     fun printNumeric() {
         val num = object : Number() {
             override fun toByte(): Byte = throw UnsupportedOperationException()
-            override fun toChar(): Char = throw UnsupportedOperationException()
+//            override fun toChar(): Char = throw UnsupportedOperationException()
             override fun toDouble(): Double = throw UnsupportedOperationException()
             override fun toFloat(): Float = throw UnsupportedOperationException()
             override fun toInt(): Int = throw UnsupportedOperationException()
diff --git a/kmath-ast/src/jsMain/kotlin/space/kscience/kmath/internal/binaryen/index.binaryen.kt b/kmath-ast/src/jsMain/kotlin/space/kscience/kmath/internal/binaryen/index.binaryen.kt
index d907a12c9..f2e1aae83 100644
--- a/kmath-ast/src/jsMain/kotlin/space/kscience/kmath/internal/binaryen/index.binaryen.kt
+++ b/kmath-ast/src/jsMain/kotlin/space/kscience/kmath/internal/binaryen/index.binaryen.kt
@@ -8,7 +8,6 @@
     "OVERRIDING_FINAL_MEMBER",
     "RETURN_TYPE_MISMATCH_ON_OVERRIDE",
     "CONFLICTING_OVERLOADS",
-    "NO_EXPLICIT_VISIBILITY_IN_API_MODE_WARNING",
     "PropertyName",
     "ClassName",
 )
diff --git a/kmath-complex/build.gradle.kts b/kmath-complex/build.gradle.kts
index 2f8c320cf..3e8b3b75e 100644
--- a/kmath-complex/build.gradle.kts
+++ b/kmath-complex/build.gradle.kts
@@ -6,7 +6,6 @@ kscience {
     jvm()
     js()
     native()
-
     wasm()
 
     dependencies {
diff --git a/kmath-memory/build.gradle.kts b/kmath-memory/build.gradle.kts
index fe422f751..63811d784 100644
--- a/kmath-memory/build.gradle.kts
+++ b/kmath-memory/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
+
 plugins {
     id("space.kscience.gradle.mpp")
 }
@@ -15,3 +17,6 @@ readme {
         An API and basic implementation for arranging objects in a continuous memory block.
     """.trimIndent()
 }
+
+rootProject.the<NodeJsRootExtension>().versions.webpack.version = "5.76.2"
+rootProject.the<NodeJsRootExtension>().nodeVersion = "20.2.0"
diff --git a/kmath-memory/src/nativeMain/kotlin/space/kscience/kmath/memory/NativeMemory.kt b/kmath-memory/src/nativeMain/kotlin/space/kscience/kmath/memory/NativeMemory.kt
index 32bc8d6a5..0ae3c7ebc 100644
--- a/kmath-memory/src/nativeMain/kotlin/space/kscience/kmath/memory/NativeMemory.kt
+++ b/kmath-memory/src/nativeMain/kotlin/space/kscience/kmath/memory/NativeMemory.kt
@@ -5,6 +5,8 @@
 
 package space.kscience.kmath.memory
 
+import kotlin.experimental.ExperimentalNativeApi
+
 @PublishedApi
 internal class NativeMemory(
     val array: ByteArray,
@@ -26,6 +28,7 @@ internal class NativeMemory(
         return NativeMemory(copy)
     }
 
+    @OptIn(ExperimentalNativeApi::class)
     private val reader: MemoryReader = object : MemoryReader {
         override val memory: Memory get() = this@NativeMemory
 
@@ -48,6 +51,7 @@ internal class NativeMemory(
 
     override fun reader(): MemoryReader = reader
 
+    @OptIn(ExperimentalNativeApi::class)
     private val writer: MemoryWriter = object : MemoryWriter {
         override val memory: Memory get() = this@NativeMemory