diff --git a/doc/Sky.md b/doc/Sky.md
index c0be8f581..6338dac8c 100644
--- a/doc/Sky.md
+++ b/doc/Sky.md
@@ -41,5 +41,14 @@ Resources:
 - [x] sky texture
 - [ ] stars
 - [ ] Wither
-- [ ] Clouds
+- [x] Clouds
+- [ ] interpolate world time
 - [ ] Lightmap
+  - potion effects (nigh vision, underwater visibility, conduit)
+  - submerged fluid
+  - gamma setting
+  - weather, thunder flashing
+  - wither
+  - dimension (e.g. fullbright)
+  - fullbright setting/key
+  - stars/moon
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/RenderWindow.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/RenderWindow.kt
index 4a3bcdf7c..954a0129d 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/RenderWindow.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/RenderWindow.kt
@@ -247,9 +247,10 @@ class RenderWindow(
             renderSystem.framebuffer = null
             renderSystem.clear(IntegratedBufferTypes.COLOR_BUFFER, IntegratedBufferTypes.DEPTH_BUFFER)
 
-
+            light.updateAsync() // ToDo: do async
             light.update()
 
+
             val currentTickTime = millis()
             if (currentTickTime - this.lastTickTimer > ProtocolDefinition.TICK_TIME) {
                 tickCount++
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/SpriteAnimator.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/SpriteAnimator.kt
index 6b75fad03..057af6130 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/SpriteAnimator.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/system/base/texture/SpriteAnimator.kt
@@ -13,7 +13,7 @@
 
 package de.bixilon.minosoft.gui.rendering.system.base.texture
 
-import de.bixilon.kutil.time.TimeUtil
+import de.bixilon.kutil.time.TimeUtil.millis
 import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
 import de.bixilon.minosoft.gui.rendering.system.base.buffer.uniform.IntUniformBuffer
 import de.bixilon.minosoft.gui.rendering.system.base.shader.Shader
@@ -38,7 +38,7 @@ class SpriteAnimator(val renderSystem: RenderSystem) {
     }
 
     private fun recalculate() {
-        val currentTime = TimeUtil.millis
+        val currentTime = millis()
         val deltaLastDraw = currentTime - lastRun
         lastRun = currentTime
 
@@ -66,9 +66,6 @@ class SpriteAnimator(val renderSystem: RenderSystem) {
             uniformBuffer.data[arrayOffset + 1] = nextFrame.texture.renderData.shaderTextureId
             uniformBuffer.data[arrayOffset + 2] = interpolation.toInt()
         }
-
-
-        uniformBuffer.upload()
     }
 
     fun draw() {
@@ -76,6 +73,7 @@ class SpriteAnimator(val renderSystem: RenderSystem) {
             return
         }
         recalculate()
+        uniformBuffer.upload()
     }
 
 
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/Lightmap.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/Lightmap.kt
index 934575645..06b60f1f7 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/Lightmap.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/Lightmap.kt
@@ -14,36 +14,57 @@
 package de.bixilon.minosoft.gui.rendering.world.light
 
 import de.bixilon.minosoft.config.StaticConfiguration
+import de.bixilon.minosoft.config.profile.delegate.watcher.SimpleProfileDelegateWatcher.Companion.profileWatch
 import de.bixilon.minosoft.gui.rendering.system.base.shader.Shader
+import de.bixilon.minosoft.gui.rendering.world.light.updater.DebugLightUpdater
+import de.bixilon.minosoft.gui.rendering.world.light.updater.FullbrightLightUpdater
 import de.bixilon.minosoft.gui.rendering.world.light.updater.LegacyLightmapUpdater
 import de.bixilon.minosoft.gui.rendering.world.light.updater.LightmapUpdater
 
-class Lightmap(light: RenderLight) {
+class Lightmap(private val light: RenderLight) {
+    private val profile = light.renderWindow.connection.profiles.rendering
     private val buffer = LightmapBuffer(light.renderWindow.renderSystem)
-    private var updater: LightmapUpdater = LegacyLightmapUpdater(light.renderWindow.connection)
+    private var updater: LightmapUpdater = FullbrightLightUpdater
         set(value) {
             field = value
             force = true
         }
     private var force: Boolean = true
 
+    private val defaultUpdater: LightmapUpdater = LegacyLightmapUpdater(light.renderWindow.connection)
 
     fun init() {
         buffer.init()
+        profile.light::fullbright.profileWatch(this, profile = profile) { setLightmapUpdater() }
+        setLightmapUpdater()
+    }
+
+    private fun setLightmapUpdater() {
+        this.updater = getLightmapUpdater()
+    }
+
+    private fun getLightmapUpdater(): LightmapUpdater {
+        if (StaticConfiguration.LIGHT_DEBUG_MODE) {
+            return DebugLightUpdater
+        }
+        if (profile.light.fullbright) {
+            return FullbrightLightUpdater
+        }
+        return defaultUpdater
     }
 
     fun use(shader: Shader, bufferName: String = "uLightMapBuffer") {
         buffer.use(shader, bufferName)
     }
 
-    fun update() {
-        if (StaticConfiguration.LIGHT_DEBUG_MODE) {
-            return
-        }
+    fun updateAsync() {
         updater.update(force, buffer)
         if (force) {
             force = false
         }
+    }
+
+    fun update() {
         buffer.upload()
     }
 }
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/RenderLight.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/RenderLight.kt
index 86894d2d3..49e176a6e 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/RenderLight.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/world/light/RenderLight.kt
@@ -43,6 +43,10 @@ class RenderLight(val renderWindow: RenderWindow) {
         }
     }
 
+    fun updateAsync() {
+        map.updateAsync()
+    }
+
     fun update() {
         map.update()
     }