diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2e63dc1..b078be98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,22 @@
 ## [Unreleased]
 ### Added
 
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [0.5.2]
+### Added
+- Yaml plugin
+- Partial fix to #53
+
+
 ### Changed
 
 ### Deprecated
@@ -14,11 +30,14 @@
 - Listeners in observable meta are replaced by lists
 - JS number comparison bug.
 
+
 ### Security
+
 ## [0.5.0]
 ### Added
 - Experimental `listOfSpec` delegate.
 
+
 ### Changed
 - **API breaking** Config is deprecated, use `ObservableMeta` instead.
 - **API breaking** Descriptor no has a member property `defaultValue` instead of `defaultItem()` extension. It caches default value state on the first call. It is done because computing default on each call is too expensive.
@@ -29,17 +48,18 @@
 - **API breaking** `String.toName()` is replaced by `Name.parse()`
 - **API breaking** Configurable`config` changed to `meta`
 
+
 ### Removed
 - `Config`
 - Public PluginManager mutability
 - Tables and tables-exposed moved to the separate project `tables.kt`
 - BinaryMetaFormat. Use CBOR encoding instead
 
+
 ### Fixed
 - Proper json array index treatment.
 - Proper json index for single-value array.
 
-### Security
 ## [0.4.0]
 ### Added
 - LogManager plugin
@@ -47,6 +67,7 @@
 - Context `withEnv` and `fetch` methods to manipulate plugins without changing plugins after creation.
 - Split `ItemDescriptor` into builder and read-only part
 
+
 ### Changed
 - Kotlin-logging moved from common to JVM and JS. Replaced by console for native.
 - Package changed to `space.kscience`
@@ -56,18 +77,19 @@
 - Added blank builders for children context.
 - Refactor loggers
 
+
 ### Deprecated
 - Direct use of PluginManager
 
+
 ### Removed
 - Common dependency on Kotlin-logging
 - Kotlinx-io fork dependency. Replaced by Ktor-io.
 
+
 ### Fixed
 - Scheme properties properly handle children property change.
 
-### Security
-
 ## [0.3.0]
 ### Added
 - Yaml meta format based on yaml.kt
@@ -76,6 +98,7 @@
 - `copy` method to descriptors
 - Multiplatform yaml meta
 
+
 ### Changed
 - `ListValue` and `DoubleArrayValue` implement `Iterable`.
 - Changed the logic of `Value::isList` to check for type instead of size
@@ -90,17 +113,7 @@
 - \[Major breaking change\] Full refactor of DataTree/DataSource
 - \[Major Breaking change\] Replace KClass with KType in data. Remove direct access to constructors with types.
 
-### Deprecated
-
-### Removed
-
-### Fixed
-
-### Security
-
 ## [0.2.0]
-### Added
-
 ### Changed
 - Context content resolution refactor
 - Kotlin 1.4.10 (build tools 0.6.0)
@@ -110,16 +123,17 @@
 - Removed io depdendency from `dataforge-output`. Replaced Output by Appendable.
 - Configurable is no longer MutableItemProvider. All functionality moved to Scheme.
 
+
 ### Deprecated
 - Context activation API
 - TextRenderer
 
+
 ### Removed
 - Functional server prototype
 - `dataforge-output` module
 
+
 ### Fixed
 - Global context CoroutineScope resolution
-- Library mode compliance
-
-### Security
+- Library mode compliance
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 8c9f0b6e..61588f0a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 
 allprojects {
     group = "space.kscience"
-    version = "0.5.2-dev-4"
+    version = "0.5.2"
     repositories{
         mavenCentral()
     }
diff --git a/dataforge-context/api/dataforge-context.api b/dataforge-context/api/dataforge-context.api
index 65bcc846..c38ca6e5 100644
--- a/dataforge-context/api/dataforge-context.api
+++ b/dataforge-context/api/dataforge-context.api
@@ -33,8 +33,8 @@ public final class space/kscience/dataforge/context/ClassLoaderPluginKt {
 public class space/kscience/dataforge/context/Context : kotlinx/coroutines/CoroutineScope, space/kscience/dataforge/meta/MetaRepr, space/kscience/dataforge/misc/Named, space/kscience/dataforge/provider/Provider {
 	public static final field Companion Lspace/kscience/dataforge/context/Context$Companion;
 	public static final field PROPERTY_TARGET Ljava/lang/String;
-	public final fun buildContext (Ljava/lang/String;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/context/Context;
-	public static synthetic fun buildContext$default (Lspace/kscience/dataforge/context/Context;Ljava/lang/String;Lkotlin/jvm/functions/Function1;ILjava/lang/Object;)Lspace/kscience/dataforge/context/Context;
+	public final fun buildContext (Lspace/kscience/dataforge/names/Name;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/context/Context;
+	public static synthetic fun buildContext$default (Lspace/kscience/dataforge/context/Context;Lspace/kscience/dataforge/names/Name;Lkotlin/jvm/functions/Function1;ILjava/lang/Object;)Lspace/kscience/dataforge/context/Context;
 	public fun close ()V
 	public fun content (Ljava/lang/String;)Ljava/util/Map;
 	public final fun content (Ljava/lang/String;Z)Ljava/util/Map;
@@ -57,7 +57,6 @@ public abstract interface class space/kscience/dataforge/context/ContextAware {
 public final class space/kscience/dataforge/context/ContextBuilder {
 	public final fun build ()Lspace/kscience/dataforge/context/Context;
 	public final fun getName ()Lspace/kscience/dataforge/names/Name;
-	public final fun name (Ljava/lang/String;)V
 	public final fun plugin (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Lkotlin/jvm/functions/Function1;)V
 	public final fun plugin (Lspace/kscience/dataforge/context/Plugin;)V
 	public final fun plugin (Lspace/kscience/dataforge/context/PluginFactory;Lkotlin/jvm/functions/Function1;)V
@@ -67,11 +66,9 @@ public final class space/kscience/dataforge/context/ContextBuilder {
 	public static synthetic fun plugin$default (Lspace/kscience/dataforge/context/ContextBuilder;Lspace/kscience/dataforge/context/PluginFactory;Lkotlin/jvm/functions/Function1;ILjava/lang/Object;)V
 	public static synthetic fun plugin$default (Lspace/kscience/dataforge/context/ContextBuilder;Lspace/kscience/dataforge/context/PluginTag;Lkotlin/jvm/functions/Function1;ILjava/lang/Object;)V
 	public final fun properties (Lkotlin/jvm/functions/Function1;)V
-	public final fun setName (Lspace/kscience/dataforge/names/Name;)V
 }
 
 public final class space/kscience/dataforge/context/ContextBuilderKt {
-	public static final fun withEnv (Lspace/kscience/dataforge/context/Context;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/context/Context;
 }
 
 public final class space/kscience/dataforge/context/DefaultLogManager : space/kscience/dataforge/context/AbstractPlugin, space/kscience/dataforge/context/LogManager {
diff --git a/dataforge-meta/api/dataforge-meta.api b/dataforge-meta/api/dataforge-meta.api
index d1792538..03075958 100644
--- a/dataforge-meta/api/dataforge-meta.api
+++ b/dataforge-meta/api/dataforge-meta.api
@@ -365,6 +365,8 @@ public class space/kscience/dataforge/meta/Scheme : space/kscience/dataforge/met
 }
 
 public final class space/kscience/dataforge/meta/SchemeKt {
+	public static final fun copy (Lspace/kscience/dataforge/meta/Scheme;Lspace/kscience/dataforge/meta/SchemeSpec;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/meta/Scheme;
+	public static synthetic fun copy$default (Lspace/kscience/dataforge/meta/Scheme;Lspace/kscience/dataforge/meta/SchemeSpec;Lkotlin/jvm/functions/Function1;ILjava/lang/Object;)Lspace/kscience/dataforge/meta/Scheme;
 	public static final fun invoke (Lspace/kscience/dataforge/meta/Scheme;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/meta/Scheme;
 	public static final fun retarget (Lspace/kscience/dataforge/meta/Scheme;Lspace/kscience/dataforge/meta/MutableMeta;)Lspace/kscience/dataforge/meta/Scheme;
 }
@@ -726,6 +728,7 @@ public final class space/kscience/dataforge/names/NameKt {
 	public static final fun getLength (Lspace/kscience/dataforge/names/Name;)I
 	public static final fun isEmpty (Lspace/kscience/dataforge/names/Name;)Z
 	public static final fun lastOrNull (Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/NameToken;
+	public static final fun parseAsName (Ljava/lang/String;)Lspace/kscience/dataforge/names/Name;
 	public static final fun plus (Lspace/kscience/dataforge/names/Name;Ljava/lang/String;)Lspace/kscience/dataforge/names/Name;
 	public static final fun plus (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/Name;
 	public static final fun plus (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/NameToken;)Lspace/kscience/dataforge/names/Name;
diff --git a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/MutableMeta.kt b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/MutableMeta.kt
index e1661e53..d39a6dbf 100644
--- a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/MutableMeta.kt
+++ b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/MutableMeta.kt
@@ -296,9 +296,7 @@ private class MutableMetaImpl(
     override fun attach(name: Name, node: ObservableMutableMeta) {
         when (name.length) {
             0 -> error("Can't set a meta with empty name")
-            1 -> {
-                replaceItem(name.first(), get(name), node)
-            }
+            1 -> replaceItem(name.first(), get(name), node)
             else -> get(name.cutLast())?.attach(name.lastOrNull()!!.asName(), node)
         }
     }
diff --git a/dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/MutableMetaTest.kt b/dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/MutableMetaTest.kt
index 534d907e..0d47db99 100644
--- a/dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/MutableMetaTest.kt
+++ b/dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/MutableMetaTest.kt
@@ -2,10 +2,11 @@ package space.kscience.dataforge.meta
 
 import kotlin.test.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertFails
 
 class MutableMetaTest{
     @Test
-    fun testRemove(){
+    fun remove(){
         val meta = MutableMeta {
             "aNode" put {
                 "innerNode" put {
@@ -19,4 +20,13 @@ class MutableMetaTest{
         meta.remove("aNode.c")
         assertEquals(meta["aNode.c"], null)
     }
+
+    @Test
+    fun recursiveMeta(){
+        val meta = MutableMeta {
+            "a" put 2
+        }
+
+        assertFails { meta["child.a"] = meta}
+    }
 }
\ No newline at end of file