diff --git a/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/ComposeVisionRenderer.kt b/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/ComposeVisionRenderer.kt
index 15eb93c1..32d9d129 100644
--- a/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/ComposeVisionRenderer.kt
+++ b/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/ComposeVisionRenderer.kt
@@ -25,4 +25,6 @@ public interface ComposeVisionRenderer: ElementVisionRenderer {
             render(client, name, vision, meta)
         }
     }
+
+    public companion object
 }
\ No newline at end of file
diff --git a/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt b/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
index 68899508..82277701 100644
--- a/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
+++ b/visionforge-compose-html/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
@@ -49,8 +49,8 @@ public fun PropertyEditor(
     initialExpanded: Boolean? = null,
 ) {
     var expanded: Boolean by remember { mutableStateOf(initialExpanded ?: true) }
-    val descriptor: MetaDescriptor? = remember(rootDescriptor, name) { rootDescriptor?.get(name) }
-    var property: MutableMeta by remember { mutableStateOf(rootMeta.getOrCreate(name)) }
+    val descriptor: MetaDescriptor? by derivedStateOf { rootDescriptor?.get(name) }
+    var displayedValue by remember { mutableStateOf(rootMeta.getValue(name)) }
     var editorPropertyState: EditorPropertyState by remember { mutableStateOf(getPropertyState(name)) }
 
 
@@ -68,13 +68,13 @@ public fun PropertyEditor(
     val token = name.lastOrNull()?.toString() ?: "Properties"
 
     fun update() {
-        property = rootMeta.getOrCreate(name)
+        displayedValue = rootMeta.getValue(name)
         editorPropertyState = getPropertyState(name)
     }
 
     LaunchedEffect(rootMeta) {
         updates.collect { updatedName ->
-            if (updatedName == name) {
+            if (name.startsWith(updatedName)) {
                 update()
             }
         }
@@ -85,6 +85,7 @@ public fun PropertyEditor(
             alignItems(AlignItems.Center)
         }
     }) {
+        //if node has children
         if (keys.isNotEmpty()) {
             Span({
                 classes(TreeStyles.treeCaret)
@@ -110,12 +111,14 @@ public fun PropertyEditor(
                     marginAll(1.px, 5.px)
                 }
             }) {
-                ValueChooser(descriptor, editorPropertyState, property.value) {
-                    property.value = it
-                    editorPropertyState = getPropertyState(name)
+                ValueChooser(descriptor, editorPropertyState, displayedValue) {
+                    rootMeta.setValue(name, it)
+                    update()
                 }
             }
 
+        }
+        if (!name.isEmpty()) {
             CloseButton(editorPropertyState != EditorPropertyState.Defined) {
                 rootMeta.remove(name)
                 update()
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt
index b7a66625..d607f706 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt
@@ -1,11 +1,9 @@
 package space.kscience.visionforge
 
-import kotlinx.coroutines.DelicateCoroutinesApi
-import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.SharedFlow
-import kotlinx.coroutines.launch
 import kotlinx.serialization.Transient
 import space.kscience.dataforge.meta.*
 import space.kscience.dataforge.meta.descriptors.MetaDescriptor
@@ -233,15 +231,12 @@ public abstract class AbstractVisionProperties(
     }
 
     @Transient
-    protected val changesInternal: MutableSharedFlow<Name> = MutableSharedFlow<Name>()
+    protected val changesInternal: MutableSharedFlow<Name> = MutableSharedFlow(500, onBufferOverflow = BufferOverflow.DROP_OLDEST)
     override val changes: SharedFlow<Name> get() = changesInternal
 
     override fun invalidate(propertyName: Name) {
         //send update signal
-        @OptIn(DelicateCoroutinesApi::class)
-        (vision.manager?.context ?: GlobalScope).launch {
-            changesInternal.emit(propertyName)
-        }
+        changesInternal.tryEmit(propertyName)
 
         //notify children if there are any
         if (vision is VisionGroup) {
@@ -280,8 +275,8 @@ public operator fun VisionProperties.get(
 
 /**
  * The root property node with given inheritance and style flags
- * @param inherit - inherit properties from the [Vision] parent. If null, infer from descriptor
- * @param includeStyles - include style information. If null, infer from descriptor
+ * @param inherit inherit properties from the [Vision] parent. If null, infer from descriptor
+ * @param includeStyles include style information. If null, infer from descriptor
  */
 public fun MutableVisionProperties.root(
     inherit: Boolean? = null,
@@ -297,22 +292,3 @@ public operator fun MutableVisionProperties.get(
     inherit: Boolean? = null,
     includeStyles: Boolean? = null,
 ): MutableMeta = get(name.parseAsName(), inherit, includeStyles)
-
-//
-//public operator fun MutableVisionProperties.set(name: Name, value: Number): Unit =
-//    setValue(name, value.asValue())
-//
-//public operator fun MutableVisionProperties.set(name: String, value: Number): Unit =
-//    set(name.parseAsName(), value)
-//
-//public operator fun MutableVisionProperties.set(name: Name, value: Boolean): Unit =
-//    setValue(name, value.asValue())
-//
-//public operator fun MutableVisionProperties.set(name: String, value: Boolean): Unit =
-//    set(name.parseAsName(), value)
-//
-//public operator fun MutableVisionProperties.set(name: Name, value: String): Unit =
-//    setValue(name, value.asValue())
-//
-//public operator fun MutableVisionProperties.set(name: String, value: String): Unit =
-//    set(name.parseAsName(), value)
\ No newline at end of file