diff --git a/build.gradle.kts b/build.gradle.kts
index 2da86b96..b578696d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,12 +7,12 @@ plugins {
 //    id("org.jetbrains.kotlinx.kover") version "0.5.0"
 }
 
-val dataforgeVersion by extra("0.6.2")
+val dataforgeVersion by extra("0.7.1")
 val fxVersion by extra("11")
 
 allprojects {
     group = "space.kscience"
-    version = "0.3.0-dev-16"
+    version = "0.3.0-dev-17"
 }
 
 subprojects {
diff --git a/demo/gdml/src/commonTest/kotlin/space/kscience/visionforge/gdml/GDMLVisionTest.kt b/demo/gdml/src/commonTest/kotlin/space/kscience/visionforge/gdml/GDMLVisionTest.kt
index ba9cb333..6ade4ec8 100644
--- a/demo/gdml/src/commonTest/kotlin/space/kscience/visionforge/gdml/GDMLVisionTest.kt
+++ b/demo/gdml/src/commonTest/kotlin/space/kscience/visionforge/gdml/GDMLVisionTest.kt
@@ -34,6 +34,6 @@ class GDMLVisionTest {
         val child = cubes[Name.of("composite-000","segment-0")]
         assertNotNull(child)
         child.properties.setValue(SolidMaterial.MATERIAL_COLOR_KEY, "red".asValue())
-        assertEquals("red", child.properties.getMeta(SolidMaterial.MATERIAL_COLOR_KEY).string)
+        assertEquals("red", child.properties[SolidMaterial.MATERIAL_COLOR_KEY].string)
     }
 }
\ No newline at end of file
diff --git a/demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Model.kt b/demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Model.kt
index 7f7958b9..34b750e9 100644
--- a/demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Model.kt
+++ b/demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Model.kt
@@ -71,7 +71,7 @@ class Model(val manager: VisionManager) {
 
     fun reset() {
         map.values.forEach {
-            it.properties.setMeta(SolidMaterial.MATERIAL_COLOR_KEY, null)
+            it.properties[SolidMaterial.MATERIAL_COLOR_KEY] = null
         }
         tracks.children.clear()
     }
diff --git a/gradle.properties b/gradle.properties
index 9413b93e..4e33feb5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,6 +8,6 @@ org.gradle.jvmargs=-Xmx4G
 
 org.jetbrains.compose.experimental.jscanvas.enabled=true
 
-toolsVersion=0.15.0-kotlin-1.9.20
+toolsVersion=0.15.2-kotlin-1.9.21
 #kotlin.experimental.tryK2=true
 #kscience.wasm.disabled=true
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e411586a..a5952066 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/ui/bootstrap/src/jsMain/kotlin/space/kscience/visionforge/bootstrap/visionPropertyEditor.kt b/ui/bootstrap/src/jsMain/kotlin/space/kscience/visionforge/bootstrap/visionPropertyEditor.kt
index 8e7e1208..8264ae43 100644
--- a/ui/bootstrap/src/jsMain/kotlin/space/kscience/visionforge/bootstrap/visionPropertyEditor.kt
+++ b/ui/bootstrap/src/jsMain/kotlin/space/kscience/visionforge/bootstrap/visionPropertyEditor.kt
@@ -29,7 +29,7 @@ public fun RBuilder.visionPropertyEditor(
                 this.descriptor = descriptor
                 this.scope = vision.manager?.context ?: error("Orphan vision could not be observed")
                 this.getPropertyState = { name ->
-                    val ownMeta = vision.properties.own?.getMeta(name)
+                    val ownMeta = vision.properties.own?.get(name)
                     if (ownMeta != null && !ownMeta.isEmpty()) {
                         EditorPropertyState.Defined
                     } else if (vision.properties.root().getValue(name) != null) {
diff --git a/ui/compose/build.gradle.kts b/ui/compose/build.gradle.kts
index a2f2c4a7..f77c8e26 100644
--- a/ui/compose/build.gradle.kts
+++ b/ui/compose/build.gradle.kts
@@ -1,7 +1,8 @@
 
 plugins {
     id("space.kscience.gradle.mpp")
-    id("org.jetbrains.compose") version "1.5.10"
+    alias(spclibs.plugins.compose)
+//    id("org.jetbrains.compose") version "1.5.11"
 //    id("com.android.library")
 }
 
diff --git a/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt b/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
index d919cd77..0892b9af 100644
--- a/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
+++ b/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/PropertyEditor.kt
@@ -17,9 +17,8 @@ import org.jetbrains.compose.web.dom.Text
 import space.kscience.dataforge.meta.MutableMeta
 import space.kscience.dataforge.meta.ObservableMutableMeta
 import space.kscience.dataforge.meta.descriptors.MetaDescriptor
-import space.kscience.dataforge.meta.descriptors.ValueRequirement
+import space.kscience.dataforge.meta.descriptors.ValueRestriction
 import space.kscience.dataforge.meta.descriptors.get
-import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.remove
 import space.kscience.dataforge.names.*
 import space.kscience.visionforge.hidden
@@ -104,7 +103,7 @@ public fun PropertyEditor(
             Text(token)
         }
 
-        if (!name.isEmpty() && descriptor?.valueRequirement != ValueRequirement.ABSENT) {
+        if (!name.isEmpty() && descriptor?.valueRestriction != ValueRestriction.ABSENT) {
             Div({
                 style {
                     width(160.px)
diff --git a/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/valueChooser.kt b/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/valueChooser.kt
index 0be879ad..b6aefee7 100644
--- a/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/valueChooser.kt
+++ b/ui/compose/src/jsMain/kotlin/space/kscience/visionforge/compose/valueChooser.kt
@@ -16,7 +16,7 @@ import org.w3c.dom.HTMLOptionElement
 import org.w3c.dom.asList
 import space.kscience.dataforge.meta.*
 import space.kscience.dataforge.meta.descriptors.MetaDescriptor
-import space.kscience.dataforge.meta.descriptors.ValueRequirement
+import space.kscience.dataforge.meta.descriptors.ValueRestriction
 import space.kscience.dataforge.meta.descriptors.allowedValues
 import space.kscience.visionforge.Colors
 import space.kscience.visionforge.widgetType
@@ -199,7 +199,7 @@ public fun RangeValueChooser(
 
 
     FlexRow {
-        if (descriptor?.valueRequirement != ValueRequirement.REQUIRED) {
+        if (descriptor?.valueRestriction != ValueRestriction.REQUIRED) {
             Input(type = InputType.Checkbox) {
                 if (!rangeDisabled) defaultChecked()
 
diff --git a/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/PropertyEditor.kt b/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/PropertyEditor.kt
index 58986076..b13e7304 100644
--- a/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/PropertyEditor.kt
+++ b/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/PropertyEditor.kt
@@ -16,9 +16,8 @@ import react.dom.attrs
 import space.kscience.dataforge.meta.MutableMeta
 import space.kscience.dataforge.meta.ObservableMutableMeta
 import space.kscience.dataforge.meta.descriptors.MetaDescriptor
-import space.kscience.dataforge.meta.descriptors.ValueRequirement
+import space.kscience.dataforge.meta.descriptors.ValueRestriction
 import space.kscience.dataforge.meta.descriptors.get
-import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.remove
 import space.kscience.dataforge.names.*
 import space.kscience.visionforge.hidden
@@ -146,7 +145,7 @@ private fun RBuilder.propertyEditorItem(props: PropertyEditorProps) {
             }
             +token
         }
-        if (!props.name.isEmpty() && descriptor?.valueRequirement != ValueRequirement.ABSENT) {
+        if (!props.name.isEmpty() && descriptor?.valueRestriction != ValueRestriction.ABSENT) {
             styledDiv {
                 css {
                     //+TreeStyles.resizeableInput
@@ -185,7 +184,7 @@ private fun RBuilder.propertyEditorItem(props: PropertyEditorProps) {
                 }
                 +"\u00D7"
                 attrs {
-                    if (editorPropertyState!= EditorPropertyState.Defined) {
+                    if (editorPropertyState != EditorPropertyState.Defined) {
                         disabled = true
                     } else {
                         onClickFunction = removeClick
diff --git a/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/RangeValueChooser.kt b/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/RangeValueChooser.kt
index 4a82a6e9..bec34fc1 100644
--- a/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/RangeValueChooser.kt
+++ b/ui/react/src/jsMain/kotlin/space/kscience/visionforge/react/RangeValueChooser.kt
@@ -12,7 +12,7 @@ import react.dom.attrs
 import react.fc
 import react.useState
 import space.kscience.dataforge.meta.asValue
-import space.kscience.dataforge.meta.descriptors.ValueRequirement
+import space.kscience.dataforge.meta.descriptors.ValueRestriction
 import space.kscience.dataforge.meta.double
 import space.kscience.dataforge.meta.get
 import space.kscience.dataforge.meta.string
@@ -43,7 +43,7 @@ public val RangeValueChooser: FC<ValueChooserProps> = fc("RangeValueChooser") {
     }
 
     flexRow {
-        if (props.descriptor?.valueRequirement != ValueRequirement.REQUIRED) {
+        if (props.descriptor?.valueRestriction != ValueRestriction.REQUIRED) {
             styledInput(type = InputType.checkBox) {
                 attrs {
                     defaultChecked = rangeDisabled.not()
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/StyleSheet.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/StyleSheet.kt
index 00213644..ed893162 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/StyleSheet.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/StyleSheet.kt
@@ -13,7 +13,7 @@ import kotlin.jvm.JvmInline
 @JvmInline
 public value class StyleSheet(private val owner: Vision) {
 
-    private val styleNode: Meta get() = owner.properties.getMeta(STYLESHEET_KEY)
+    private val styleNode: Meta get() = owner.properties[STYLESHEET_KEY]
 
     public val items: Map<NameToken, Meta> get() = styleNode.items
 
@@ -23,7 +23,7 @@ public value class StyleSheet(private val owner: Vision) {
      * Define a style without notifying owner
      */
     public fun define(key: String, style: Meta?) {
-        owner.properties.setMeta(STYLESHEET_KEY + key, style)
+        owner.properties[STYLESHEET_KEY + key] = style
     }
 
     /**
@@ -92,7 +92,7 @@ public fun Vision.useStyle(name: String, notify: Boolean = true) {
  * Resolve a style with given name for given [Vision]. The style is not necessarily applied to this [Vision].
  */
 public fun Vision.getStyle(name: String): Meta? =
-    properties.own?.getMeta(StyleSheet.STYLESHEET_KEY + name) ?: parent?.getStyle(name)
+    properties.own?.get(StyleSheet.STYLESHEET_KEY + name) ?: parent?.getStyle(name)
 
 /**
  * Resolve a property from all styles
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/Vision.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/Vision.kt
index 29965944..78f917a9 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/Vision.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/Vision.kt
@@ -10,7 +10,7 @@ import space.kscience.dataforge.meta.asValue
 import space.kscience.dataforge.meta.boolean
 import space.kscience.dataforge.meta.descriptors.Described
 import space.kscience.dataforge.meta.descriptors.MetaDescriptor
-import space.kscience.dataforge.misc.Type
+import space.kscience.dataforge.misc.DfType
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
 import space.kscience.visionforge.AbstractVisionGroup.Companion.updateProperties
@@ -19,7 +19,7 @@ import space.kscience.visionforge.Vision.Companion.TYPE
 /**
  * A root type for display hierarchy
  */
-@Type(TYPE)
+@DfType(TYPE)
 public interface Vision : Described {
 
     /**
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 dfb06b50..3c375c62 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionProperties.kt
@@ -34,13 +34,13 @@ public interface VisionProperties : MetaProvider {
      * @param inherit toggles parent node property lookup. Null means inference from descriptor.
      * @param includeStyles toggles inclusion of properties from styles.
      */
-    public fun getMeta(
+    public fun get(
         name: Name,
         inherit: Boolean?,
         includeStyles: Boolean? = null,
     ): Meta
 
-    override fun getMeta(name: Name): Meta? = getMeta(name, null, null)
+    override fun get(name: Name): Meta? = get(name, null, null)
 
 
     public val changes: Flow<Name>
@@ -54,7 +54,7 @@ public interface VisionProperties : MetaProvider {
 
 public interface MutableVisionProperties : VisionProperties, MutableMetaProvider {
 
-    override fun getMeta(
+    override fun get(
         name: Name,
         inherit: Boolean?,
         includeStyles: Boolean?,
@@ -65,7 +65,7 @@ public interface MutableVisionProperties : VisionProperties, MutableMetaProvider
         includeStyles,
     )
 
-    public fun setMeta(
+    public fun set(
         name: Name,
         node: Meta?,
         notify: Boolean,
@@ -77,10 +77,10 @@ public interface MutableVisionProperties : VisionProperties, MutableMetaProvider
         notify: Boolean,
     )
 
-    override fun getMeta(name: Name): MutableMeta = getMeta(name, null, null)
+    override fun get(name: Name): MutableMeta = get(name, null, null)
 
-    override fun setMeta(name: Name, node: Meta?) {
-        setMeta(name, node, true)
+    override fun set(name: Name, node: Meta?) {
+        set(name, node, true)
     }
 
     override fun setValue(name: Name, value: Value?) {
@@ -89,7 +89,7 @@ public interface MutableVisionProperties : VisionProperties, MutableMetaProvider
 }
 
 public fun MutableVisionProperties.remove(name: Name) {
-    setMeta(name, null)
+    set(name, null)
 }
 
 public fun MutableVisionProperties.remove(name: String) {
@@ -114,7 +114,7 @@ private class VisionPropertiesItem(
 
     override val items: Map<NameToken, MutableMeta>
         get() {
-            val metaKeys = properties.own?.getMeta(nodeName)?.items?.keys ?: emptySet()
+            val metaKeys = properties.own?.get(nodeName)?.items?.keys ?: emptySet()
             val descriptorKeys = descriptor?.children?.map { NameToken(it.key) } ?: emptySet()
             val defaultKeys = default?.get(nodeName)?.items?.keys ?: emptySet()
             val inheritFlag = descriptor?.inherited ?: inherit
@@ -148,8 +148,8 @@ private class VisionPropertiesItem(
         default
     )
 
-    override fun setMeta(name: Name, node: Meta?) {
-        properties.setMeta(nodeName + name, node)
+    override fun set(name: Name, node: Meta?) {
+        properties[nodeName + name] = node
     }
 
     override fun toString(): String = Meta.toString(this)
@@ -202,16 +202,16 @@ public abstract class AbstractVisionProperties(
         return descriptor?.defaultValue
     }
 
-    override fun setMeta(name: Name, node: Meta?, notify: Boolean) {
+    override fun set(name: Name, node: Meta?, notify: Boolean) {
         //ignore if the value is the same as existing
-        if (own?.getMeta(name) == node) return
+        if (own?.get(name) == node) return
 
         if (name.isEmpty()) {
             properties = node?.asMutableMeta()
         } else if (node == null) {
-            properties?.setMeta(name, node)
+            properties?.set(name, node)
         } else {
-            getOrCreateProperties().setMeta(name, node)
+            getOrCreateProperties()[name] = node
         }
         if (notify) {
             invalidate(name)
@@ -223,7 +223,7 @@ public abstract class AbstractVisionProperties(
         if (own?.getValue(name) == value) return
 
         if (value == null) {
-            properties?.getMeta(name)?.value = null
+            properties?.get(name)?.value = null
         } else {
             getOrCreateProperties().setValue(name, value)
         }
@@ -272,11 +272,11 @@ public fun VisionProperties.getValue(
 /**
  * Get [Vision] property using key as a String
  */
-public fun VisionProperties.getMeta(
+public fun VisionProperties.get(
     name: String,
     inherit: Boolean? = null,
     includeStyles: Boolean? = null,
-): Meta = getMeta(name.parseAsName(), inherit, includeStyles)
+): Meta = get(name.parseAsName(), inherit, includeStyles)
 
 /**
  * The root property node with given inheritance and style flags
@@ -286,17 +286,17 @@ public fun VisionProperties.getMeta(
 public fun MutableVisionProperties.root(
     inherit: Boolean? = null,
     includeStyles: Boolean? = null,
-): MutableMeta = getMeta(Name.EMPTY, inherit, includeStyles)
+): MutableMeta = get(Name.EMPTY, inherit, includeStyles)
 
 
 /**
  * Get [Vision] property using key as a String
  */
-public fun MutableVisionProperties.getMeta(
+public fun MutableVisionProperties.get(
     name: String,
     inherit: Boolean? = null,
     includeStyles: Boolean? = null,
-): MutableMeta = getMeta(name.parseAsName(), inherit, includeStyles)
+): MutableMeta = get(name.parseAsName(), inherit, includeStyles)
 
 //
 //public operator fun MutableVisionProperties.set(name: Name, value: Number): Unit =
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/flowProperty.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/flowProperty.kt
index f8d128e1..60c39c20 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/flowProperty.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/flowProperty.kt
@@ -17,10 +17,10 @@ public fun Vision.flowProperty(
     includeStyles: Boolean? = null,
 ): Flow<Meta> = flow {
     //Pass initial value.
-    emit(properties.getMeta(propertyName, inherit, includeStyles))
+    emit(properties.get(propertyName, inherit, includeStyles))
     properties.changes.collect { name ->
         if (name.startsWith(propertyName)) {
-            emit(properties.getMeta(propertyName, inherit, includeStyles))
+            emit(properties.get(propertyName, inherit, includeStyles))
         }
     }
 }
diff --git a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/useProperty.kt b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/useProperty.kt
index cee3a002..8ffb272a 100644
--- a/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/useProperty.kt
+++ b/visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/useProperty.kt
@@ -23,10 +23,10 @@ public fun Vision.useProperty(
     callback: (Meta) -> Unit,
 ): Job {
     //Pass initial value.
-    callback(properties.getMeta(propertyName, inherit, includeStyles))
+    callback(properties.get(propertyName, inherit, includeStyles))
     return properties.changes.onEach { name ->
         if (name.startsWith(propertyName)) {
-            callback(properties.getMeta(propertyName, inherit, includeStyles))
+            callback(properties.get(propertyName, inherit, includeStyles))
         }
     }.launchIn(scope ?: error("Orphan Vision can't observe properties"))
 }
diff --git a/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/meta/VisionPropertyTest.kt b/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/meta/VisionPropertyTest.kt
index 38abe34c..b1ca970a 100644
--- a/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/meta/VisionPropertyTest.kt
+++ b/visionforge-core/src/commonTest/kotlin/space/kscience/visionforge/meta/VisionPropertyTest.kt
@@ -40,7 +40,7 @@ internal class VisionPropertyTest {
     @Test
     fun testPropertyEdit() {
         val vision = manager.group()
-        vision.properties.getMeta("fff.ddd").apply {
+        vision.properties.get("fff.ddd").apply {
             value = 2.asValue()
         }
         assertEquals(2, vision.properties.getValue("fff.ddd")?.int)
@@ -50,7 +50,7 @@ internal class VisionPropertyTest {
     @Test
     fun testPropertyUpdate() {
         val vision = manager.group()
-        vision.properties.getMeta("fff").updateWith(TestScheme) {
+        vision.properties.get("fff").updateWith(TestScheme) {
             ddd = 2
         }
         assertEquals(2, vision.properties.getValue("fff.ddd")?.int)
@@ -85,7 +85,7 @@ internal class VisionPropertyTest {
 
         child.properties.remove("test")
 
-        assertEquals(11, child.properties.getMeta("test", inherit = true).int)
+        assertEquals(11, child.properties.get("test", inherit = true).int)
 //        assertEquals(11, deferred.await()?.int)
 //        assertEquals(2, callCounter)
         subscription.cancel()
diff --git a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/ElementVisionRenderer.kt b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/ElementVisionRenderer.kt
index 8842e08e..8e1254d9 100644
--- a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/ElementVisionRenderer.kt
+++ b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/ElementVisionRenderer.kt
@@ -9,8 +9,8 @@ import kotlinx.serialization.serializerOrNull
 import org.w3c.dom.Element
 import org.w3c.dom.HTMLElement
 import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.misc.DfType
 import space.kscience.dataforge.misc.Named
-import space.kscience.dataforge.misc.Type
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
 import space.kscience.dataforge.names.parseAsName
@@ -20,7 +20,7 @@ import kotlin.reflect.cast
 /**
  * A browser renderer for a [Vision].
  */
-@Type(ElementVisionRenderer.TYPE)
+@DfType(ElementVisionRenderer.TYPE)
 public interface ElementVisionRenderer : Named {
 
     /**
diff --git a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/JsVisionClient.kt b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/JsVisionClient.kt
index 6ae70280..17958f97 100644
--- a/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/JsVisionClient.kt
+++ b/visionforge-core/src/jsMain/kotlin/space/kscience/visionforge/JsVisionClient.kt
@@ -161,7 +161,7 @@ public class JsVisionClient : AbstractPlugin(), VisionClient {
 
                         //launch backward property propagation
                         vision.properties.changes.onEach { propertyName: Name ->
-                            changeCollector.propertyChanged(visionName, propertyName, vision.properties.getMeta(propertyName))
+                            changeCollector.propertyChanged(visionName, propertyName, vision.properties[propertyName])
                         }.launchIn(this)
 
                         //aggregate atomic changes
diff --git a/visionforge-plotly/build.gradle.kts b/visionforge-plotly/build.gradle.kts
index 9d313266..c4df8593 100644
--- a/visionforge-plotly/build.gradle.kts
+++ b/visionforge-plotly/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     id("space.kscience.gradle.mpp")
 }
 
-val plotlyVersion = "0.6.0"
+val plotlyVersion = "0.6.1"
 
 kscience {
     jvm()
diff --git a/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt b/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
index d5333dda..19d98171 100644
--- a/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
+++ b/visionforge-plotly/src/commonMain/kotlin/space/kscience/visionforge/plotly/VisionOfPlotly.kt
@@ -33,8 +33,8 @@ public class VisionOfPlotly private constructor(
 
     @Transient
     override val properties: MutableVisionProperties = object : MutableVisionProperties {
-        override fun setMeta(name: Name, node: Meta?, notify: Boolean) {
-            meta.setMeta(name, node)
+        override fun set(name: Name, node: Meta?, notify: Boolean) {
+            meta[name] = node
         }
 
         override fun setValue(name: Name, value: Value?, notify: Boolean) {
@@ -45,11 +45,11 @@ public class VisionOfPlotly private constructor(
 
         override val descriptor: MetaDescriptor? get() = this@VisionOfPlotly.descriptor
 
-        override fun getMeta(
+        override fun get(
             name: Name,
             inherit: Boolean?,
             includeStyles: Boolean?,
-        ): MutableMeta = meta.getMeta(name) ?: MutableMeta()
+        ): MutableMeta = meta[name] ?: MutableMeta()
 
         override fun getValue(
             name: Name,
diff --git a/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt b/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
index 4c5e093a..3c5e397a 100644
--- a/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
+++ b/visionforge-server/src/main/kotlin/space/kscience/visionforge/server/VisionServer.kt
@@ -32,7 +32,7 @@ import kotlin.time.Duration.Companion.milliseconds
 public class VisionRoute(
     public val route: String,
     public val visionManager: VisionManager,
-    override val meta: ObservableMutableMeta = MutableMeta(),
+    override val meta: ObservableMutableMeta = ObservableMutableMeta(),
 ) : Configurable, ContextAware {
 
     public enum class Mode {
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Composite.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Composite.kt
index 3cc6ff61..3ae6a681 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Composite.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Composite.kt
@@ -39,7 +39,7 @@ public inline fun MutableVisionContainer<Solid>.composite(
     }
     val res = Composite(type, children[0], children[1])
 
-    res.properties.setMeta(Name.EMPTY, group.properties.own)
+    res.properties[Name.EMPTY] = group.properties.own
 
     setChild(name, res)
     return res
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Extruded.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Extruded.kt
index 8276722e..c2157480 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Extruded.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Extruded.kt
@@ -92,7 +92,7 @@ public class Extruded(
         }
 
         internal fun build(): Extruded = Extruded(shape, layers).apply {
-            this.properties.setMeta(Name.EMPTY, this@Builder.properties)
+            this.properties[Name.EMPTY] = this@Builder.properties
         }
     }
 
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solid.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solid.kt
index a42427da..aab583a0 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solid.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solid.kt
@@ -190,7 +190,7 @@ internal fun float32Vector(
 
         override fun setValue(thisRef: Solid, property: KProperty<*>, value: Float32Vector3D?) {
             if (value == null) {
-                thisRef.properties.setMeta(name, null)
+                thisRef.properties[name] = null
             } else {
                 thisRef.properties[name + X_KEY] = value.x
                 thisRef.properties[name + Y_KEY] = value.y
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidMaterial.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidMaterial.kt
index 40857b14..c411cf4c 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidMaterial.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidMaterial.kt
@@ -110,12 +110,12 @@ public val Solid.color: ColorAccessor
     get() = ColorAccessor(properties.root(true), MATERIAL_COLOR_KEY)
 
 public var Solid.material: SolidMaterial?
-    get() = SolidMaterial.read(properties.getMeta(MATERIAL_KEY))
-    set(value) = properties.setMeta(MATERIAL_KEY, value?.meta)
+    get() = SolidMaterial.read(properties[MATERIAL_KEY])
+    set(value) = properties.set(MATERIAL_KEY, value?.meta)
 
 @VisionBuilder
 public fun Solid.material(builder: SolidMaterial.() -> Unit) {
-    properties.getMeta(MATERIAL_KEY).updateWith(SolidMaterial, builder)
+    properties[MATERIAL_KEY].updateWith(SolidMaterial, builder)
 }
 
 public var Solid.opacity: Number?
@@ -128,5 +128,5 @@ public var Solid.opacity: Number?
 @VisionBuilder
 public fun Solid.edges(enabled: Boolean = true, block: SolidMaterial.() -> Unit = {}) {
     properties[SolidMaterial.EDGES_ENABLED_KEY] = enabled
-    SolidMaterial.write(properties.getMeta(SolidMaterial.EDGES_MATERIAL_KEY)).apply(block)
+    SolidMaterial.write(properties[SolidMaterial.EDGES_MATERIAL_KEY]).apply(block)
 }
\ No newline at end of file
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidReference.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidReference.kt
index 32e69520..b832865c 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidReference.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidReference.kt
@@ -162,7 +162,7 @@ internal class SolidReferenceChild(
     override val properties: MutableVisionProperties = object : MutableVisionProperties {
         override val descriptor: MetaDescriptor get() = this@SolidReferenceChild.descriptor
 
-        override val own: MutableMeta by lazy { owner.properties.getMeta(childToken(childName).asName()) }
+        override val own: MutableMeta by lazy { owner.properties[childToken(childName).asName()] }
 
         override fun getValue(
             name: Name,
@@ -170,8 +170,8 @@ internal class SolidReferenceChild(
             includeStyles: Boolean?,
         ): Value? = own.getValue(name) ?: prototype.properties.getValue(name, inherit, includeStyles)
 
-        override fun setMeta(name: Name, node: Meta?, notify: Boolean) {
-            own.setMeta(name, node)
+        override fun set(name: Name, node: Meta?, notify: Boolean) {
+            own[name] = node
         }
 
         override fun setValue(name: Name, value: Value?, notify: Boolean) {
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Surface.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Surface.kt
index 35f9b75f..cf442c62 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Surface.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Surface.kt
@@ -155,7 +155,7 @@ public class Surface(
         }
 
         internal fun build(): Surface = Surface(layers).apply {
-            properties.setMeta(Name.EMPTY, this@Builder.properties)
+            properties[Name.EMPTY] = this@Builder.properties
         }
     }
 
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt
index 58c3021d..8f799f2e 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt
@@ -36,9 +36,9 @@ internal fun Meta.toVector2D(): Float32Vector2D =
 //}
 
 internal fun MetaProvider.point3D(default: Float = 0f) = Float32Euclidean3DSpace.vector(
-    getMeta(X_KEY).float ?: default,
-    getMeta(Y_KEY).float ?: default,
-    getMeta(Z_KEY).float ?: default
+    get(X_KEY).float ?: default,
+    get(Y_KEY).float ?: default,
+    get(Z_KEY).float ?: default
 )
 
 
diff --git a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/transform/RemoveSingleChild.kt b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/transform/RemoveSingleChild.kt
index cdc9caaf..bcf3baa9 100644
--- a/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/transform/RemoveSingleChild.kt
+++ b/visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/transform/RemoveSingleChild.kt
@@ -19,7 +19,7 @@ internal fun Solid.updateFrom(other: Solid): Solid {
     scaleX *= other.scaleX
     scaleY *= other.scaleY
     scaleZ *= other.scaleZ
-    properties.setMeta(Name.EMPTY, other.properties.root())
+    properties[Name.EMPTY] = other.properties.root()
     return this
 }
 
diff --git a/visionforge-tables/build.gradle.kts b/visionforge-tables/build.gradle.kts
index 33988cf0..f4197864 100644
--- a/visionforge-tables/build.gradle.kts
+++ b/visionforge-tables/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     id("space.kscience.gradle.mpp")
 }
 
-val tablesVersion = "0.2.1"
+val tablesVersion = "0.3.0"
 
 kscience {
     jvm()
diff --git a/visionforge-tables/src/commonTest/kotlin/space/kscience/visionforge/tables/VisionOfTableTest.kt b/visionforge-tables/src/commonTest/kotlin/space/kscience/visionforge/tables/VisionOfTableTest.kt
index e1210ffa..def7017b 100644
--- a/visionforge-tables/src/commonTest/kotlin/space/kscience/visionforge/tables/VisionOfTableTest.kt
+++ b/visionforge-tables/src/commonTest/kotlin/space/kscience/visionforge/tables/VisionOfTableTest.kt
@@ -6,6 +6,7 @@ import space.kscience.dataforge.meta.double
 import space.kscience.dataforge.meta.int
 import space.kscience.tables.ColumnHeader
 import space.kscience.tables.ColumnTable
+import space.kscience.tables.fill
 import space.kscience.tables.get
 import kotlin.math.pow
 import kotlin.test.Test
@@ -18,7 +19,7 @@ internal class VisionOfTableTest {
         val y by ColumnHeader.typed<Value>()
 
         val table = ColumnTable<Value>(100) {
-            x.fill { it.asValue() }
+            fill(x, null) { it.asValue() }
             y.values = x.values.map { it?.double?.pow(2)?.asValue() }
         }
 
diff --git a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeFactory.kt b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeFactory.kt
index 122a2c30..09b81053 100644
--- a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeFactory.kt
+++ b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeFactory.kt
@@ -1,6 +1,6 @@
 package space.kscience.visionforge.solid.three
 
-import space.kscience.dataforge.misc.Type
+import space.kscience.dataforge.misc.DfType
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.startsWith
 import space.kscience.visionforge.Vision
@@ -17,7 +17,7 @@ import kotlin.reflect.KClass
 /**
  * Builder and updater for three.js object
  */
-@Type(TYPE)
+@DfType(TYPE)
 public interface ThreeFactory<in T : Vision> {
 
     public val type: KClass<in T>
diff --git a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeLineFactory.kt b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeLineFactory.kt
index 42722254..68bfd7b2 100644
--- a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeLineFactory.kt
+++ b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeLineFactory.kt
@@ -24,7 +24,7 @@ public object ThreeLineFactory : ThreeFactory<PolyLine> {
         }
 
         val material = ThreeMaterials.getLineMaterial(
-            vision.properties.getMeta(SolidMaterial.MATERIAL_KEY),
+            vision.properties[SolidMaterial.MATERIAL_KEY],
             false
         )
 
diff --git a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMaterials.kt b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMaterials.kt
index 49667c8e..8e1b2e3f 100644
--- a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMaterials.kt
+++ b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMaterials.kt
@@ -83,7 +83,7 @@ public object ThreeMaterials {
     private val visionMaterialCache = HashMap<Vision, Material>()
 
     internal fun cacheMaterial(vision: Vision): Material = visionMaterialCache.getOrPut(vision) {
-        buildMaterial(vision.properties.getMeta(SolidMaterial.MATERIAL_KEY)).apply {
+        buildMaterial(vision.properties[SolidMaterial.MATERIAL_KEY]).apply {
             cached = true
         }
     }
@@ -133,11 +133,11 @@ public fun Mesh.setMaterial(vision: Vision) {
         } else {
             material = vision.parent?.let { parent ->
                 //TODO cache parent material
-                ThreeMaterials.buildMaterial(parent.properties.getMeta(SolidMaterial.MATERIAL_KEY))
+                ThreeMaterials.buildMaterial(parent.properties[SolidMaterial.MATERIAL_KEY])
             } ?: ThreeMaterials.cacheMaterial(vision)
         }
     } else {
-        material = ThreeMaterials.buildMaterial(vision.properties.getMeta(SolidMaterial.MATERIAL_KEY))
+        material = ThreeMaterials.buildMaterial(vision.properties[SolidMaterial.MATERIAL_KEY])
     }
 }
 
@@ -153,18 +153,18 @@ public fun Mesh.updateMaterialProperty(vision: Vision, propertyName: Name) {
         when (propertyName) {
             SolidMaterial.MATERIAL_COLOR_KEY -> {
                 material.asDynamic().color =
-                    vision.properties.getMeta(SolidMaterial.MATERIAL_COLOR_KEY).threeColor()
+                    vision.properties[SolidMaterial.MATERIAL_COLOR_KEY].threeColor()
                         ?: ThreeMaterials.DEFAULT_COLOR
             }
 
             SolidMaterial.SPECULAR_COLOR_KEY -> {
                 material.asDynamic().specular =
-                    vision.properties.getMeta(SolidMaterial.SPECULAR_COLOR_KEY).threeColor()
+                    vision.properties[SolidMaterial.SPECULAR_COLOR_KEY].threeColor()
                         ?: ThreeMaterials.DEFAULT_COLOR
             }
 
             SolidMaterial.MATERIAL_EMISSIVE_COLOR_KEY -> {
-                material.asDynamic().emissive = vision.properties.getMeta(SolidMaterial.MATERIAL_EMISSIVE_COLOR_KEY)
+                material.asDynamic().emissive = vision.properties[SolidMaterial.MATERIAL_EMISSIVE_COLOR_KEY]
                     .threeColor()
                     ?: ThreeMaterials.BLACK_COLOR
             }
diff --git a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMeshFactory.kt b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMeshFactory.kt
index 4ba19998..2e5fc0ca 100644
--- a/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMeshFactory.kt
+++ b/visionforge-threejs/src/jsMain/kotlin/space/kscience/visionforge/solid/three/ThreeMeshFactory.kt
@@ -76,7 +76,7 @@ public fun Mesh.applyEdges(vision: Solid) {
     val edges = children.find { it.name == EDGES_OBJECT_NAME } as? LineSegments
     //inherited edges definition, enabled by default
     if (vision.properties.getValue(EDGES_ENABLED_KEY, inherit = false)?.boolean != false) {
-        val material = ThreeMaterials.getLineMaterial(vision.properties.getMeta(EDGES_MATERIAL_KEY), true)
+        val material = ThreeMaterials.getLineMaterial(vision.properties[EDGES_MATERIAL_KEY], true)
         if (edges == null) {
             add(
                 LineSegments(