diff --git a/.github/workflows/gradle.yml b/.github/workflows/build.yml
similarity index 68%
rename from .github/workflows/gradle.yml
rename to .github/workflows/build.yml
index adc74adf..e780ac7e 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/build.yml
@@ -8,10 +8,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
         java-version: 11
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
     - name: Build with Gradle
       run: ./gradlew build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92ac8df8..0f9f236d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - `Path` builders
 - Special ValueType for lists
 - `copy` method to descriptors
+- Multiplatform yaml meta
 
 ### Changed
 - `ListValue` and `DoubleArrayValue` implement `Iterable`.
diff --git a/build.gradle.kts b/build.gradle.kts
index ca5e63bc..acdfeb81 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     id("ru.mipt.npm.project")
 }
 
-val dataforgeVersion by extra("0.3.0-dev-2")
+val dataforgeVersion by extra("0.3.0-dev-3")
 
 val bintrayRepo by extra("dataforge")
 val githubProject by extra("dataforge-core")
diff --git a/dataforge-io/dataforge-io-yaml/build.gradle.kts b/dataforge-io/dataforge-io-yaml/build.gradle.kts
index e5b23ce7..b8ce9caf 100644
--- a/dataforge-io/dataforge-io-yaml/build.gradle.kts
+++ b/dataforge-io/dataforge-io-yaml/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
     id("ru.mipt.npm.mpp")
+    id("ru.mipt.npm.native")
 }
 
 description = "YAML meta IO"
@@ -9,15 +10,17 @@ repositories{
 }
 
 kscience {
-    useSerialization()
+    useSerialization{
+        yamlKt()
+    }
 }
 
 kotlin {
     sourceSets {
-        jvmMain{
+        commonMain{
             dependencies {
                 api(project(":dataforge-io"))
-                api("net.mamoe.yamlkt:yamlkt:${ru.mipt.npm.gradle.KScienceVersions.Serialization.yamlKtVersion}")
+//                api("net.mamoe.yamlkt:yamlkt:${ru.mipt.npm.gradle.KScienceVersions.Serialization.yamlKtVersion}")
             }
         }
     }
diff --git a/dataforge-io/dataforge-io-yaml/src/jvmMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt b/dataforge-io/dataforge-io-yaml/src/commonMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt
similarity index 96%
rename from dataforge-io/dataforge-io-yaml/src/jvmMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt
rename to dataforge-io/dataforge-io-yaml/src/commonMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt
index 5abcec3f..254234dd 100644
--- a/dataforge-io/dataforge-io-yaml/src/jvmMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt
+++ b/dataforge-io/dataforge-io-yaml/src/commonMain/kotlin/hep/dataforge/io/yaml/FrontMatterEnvelopeFormat.kt
@@ -22,7 +22,7 @@ public class FrontMatterEnvelopeFormat(
         var offset = 0u
         do {
             line = input.readUtf8Line() //?: error("Input does not contain front matter separator")
-            offset += line.toByteArray().size.toUInt()
+            offset += line.encodeToByteArray().size.toUInt()
         } while (!line.startsWith(SEPARATOR))
 
         val readMetaFormat =
@@ -34,7 +34,7 @@ public class FrontMatterEnvelopeFormat(
             do {
                 line = input.readUtf8Line()
                 writeUtf8String(line + "\r\n")
-                offset += line.toByteArray().size.toUInt()
+                offset += line.encodeToByteArray().size.toUInt()
             } while (!line.startsWith(SEPARATOR))
         }.read {
             readMetaFormat.readMeta(input)
diff --git a/dataforge-io/dataforge-io-yaml/src/jvmMain/kotlin/hep/dataforge/io/yaml/YamlMetaFormat.kt b/dataforge-io/dataforge-io-yaml/src/commonMain/kotlin/hep/dataforge/io/yaml/YamlMetaFormat.kt
similarity index 100%
rename from dataforge-io/dataforge-io-yaml/src/jvmMain/kotlin/hep/dataforge/io/yaml/YamlMetaFormat.kt
rename to dataforge-io/dataforge-io-yaml/src/commonMain/kotlin/hep/dataforge/io/yaml/YamlMetaFormat.kt
diff --git a/dataforge-io/dataforge-io-yaml/src/jvmTest/kotlin/hep/dataforge/io/yaml/YamlMetaFormatTest.kt b/dataforge-io/dataforge-io-yaml/src/commonTest/kotlin/hep/dataforge/io/yaml/YamlMetaFormatTest.kt
similarity index 100%
rename from dataforge-io/dataforge-io-yaml/src/jvmTest/kotlin/hep/dataforge/io/yaml/YamlMetaFormatTest.kt
rename to dataforge-io/dataforge-io-yaml/src/commonTest/kotlin/hep/dataforge/io/yaml/YamlMetaFormatTest.kt
diff --git a/settings.gradle.kts b/settings.gradle.kts
index f3ac6394..96a64daf 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -10,8 +10,8 @@ pluginManagement {
         maven("https://dl.bintray.com/mipt-npm/dev")
     }
 
-    val toolsVersion = "0.7.1"
-    val kotlinVersion = "1.4.21"
+    val toolsVersion = "0.7.4"
+    val kotlinVersion = "1.4.30-RC"
 
     plugins {
         id("ru.mipt.npm.project") version toolsVersion