diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58343967..a4bb6751 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 - Relaxed type restriction on `MetaConverter`. Now nullables are available.
 - **Huge API-breaking refactoring of Meta**. Meta now can hava both value and children.
 - **API breaking** `String.toName()` is replaced by `Name.parse()`
+- **API breaking** Configurable`config` changed to `meta`
 
 ### Deprecated
 - Direct use of `Config`
diff --git a/build.gradle.kts b/build.gradle.kts
index b1a365cf..87e2443e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 
 allprojects {
     group = "space.kscience"
-    version = "0.5.0-dev-4"
+    version = "0.5.0-dev-5"
 }
 
 subprojects {
diff --git a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Configurable.kt b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Configurable.kt
index 64ba5ba6..94f66381 100644
--- a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Configurable.kt
+++ b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Configurable.kt
@@ -9,11 +9,11 @@ public interface Configurable {
     /**
      * Backing config
      */
-    public val config: MutableMeta
+    public val meta: MutableMeta
 }
 
 
-public fun <T : Configurable> T.configure(meta: Meta): T = this.apply { config.update(meta) }
+public fun <T : Configurable> T.configure(meta: Meta): T = this.apply { this.meta.update(meta) }
 
 @DFBuilder
-public inline fun <T : Configurable> T.configure(action: MutableMeta.() -> Unit): T = apply { config.apply(action) }
\ No newline at end of file
+public inline fun <T : Configurable> T.configure(action: MutableMeta.() -> Unit): T = apply { meta.apply(action) }
\ No newline at end of file
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 ebb1501a..10b06d74 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
@@ -1,7 +1,6 @@
 package space.kscience.dataforge.meta
 
 import kotlinx.serialization.Serializable
-import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.dataforge.names.*
 import space.kscience.dataforge.values.EnumValue
 import space.kscience.dataforge.values.Value
@@ -385,7 +384,6 @@ private class MutableMetaImpl(
 /**
  * Append the node with a same-name-sibling, automatically generating numerical index
  */
-@DFExperimental
 public fun MutableMeta.append(name: Name, meta: Meta) {
     require(!name.isEmpty()) { "Name could not be empty for append operation" }
     val newIndex = name.lastOrNull()!!.index
@@ -397,13 +395,10 @@ public fun MutableMeta.append(name: Name, meta: Meta) {
     }
 }
 
-@DFExperimental
 public fun MutableMeta.append(key: String, meta: Meta): Unit = append(Name.parse(key), meta)
 
-@DFExperimental
 public fun MutableMeta.append(name: Name, value: Value): Unit = append(name, Meta(value))
 
-@DFExperimental
 public fun MutableMeta.append(key: String, value: Value): Unit = append(Name.parse(key), value)
 
 ///**
diff --git a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/ObservableMeta.kt b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/ObservableMeta.kt
index 9e45a150..fa9dddf4 100644
--- a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/ObservableMeta.kt
+++ b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/ObservableMeta.kt
@@ -75,6 +75,12 @@ private class ObservableMetaWrapper(
     override fun set(name: Name, meta: Meta) {
         val oldMeta = get(name)
         origin[name] = meta
+        // if meta is observable propagate changes from it
+        if(meta is ObservableMeta){
+            meta.onChange(this) { changeName ->
+                setMeta(name + changeName, meta[changeName])
+            }
+        }
         if (oldMeta != meta) {
             changed(name)
         }
diff --git a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Scheme.kt b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Scheme.kt
index 10f3d038..ae412fc7 100644
--- a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Scheme.kt
+++ b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Scheme.kt
@@ -7,9 +7,9 @@ import space.kscience.dataforge.names.Name
  * A base for delegate-based or descriptor-based scheme. [Scheme] has an empty constructor to simplify usage from [Specification].
  * Default item provider and [MetaDescriptor] are optional
  */
-public open class Scheme : Described, MetaRepr, MutableMetaProvider {
+public open class Scheme : Described, MetaRepr, MutableMetaProvider, Configurable {
 
-    public var meta: ObservableMutableMeta = MutableMeta()
+    final override var meta: ObservableMutableMeta = MutableMeta()
         private set
 
     final override var descriptor: MetaDescriptor? = null
diff --git a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Specification.kt b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Specification.kt
index 44263d01..afd2b668 100644
--- a/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Specification.kt
+++ b/dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Specification.kt
@@ -53,7 +53,7 @@ public fun <T : Any> MutableMeta.update(
 public fun <T : Any> Configurable.update(
     spec: Specification<T>,
     action: T.() -> Unit,
-): T = spec.write(config).apply(action)
+): T = spec.write(meta).apply(action)
 
 //
 //public fun  <M : MutableTypedMeta<M>> MutableMeta.withSpec(spec: Specification<M>): M? =