diff --git a/src/main/java/com/github/manevolent/ts3j/event/ClientUpdatedEvent.java b/src/main/java/com/github/manevolent/ts3j/event/ClientUpdatedEvent.java
new file mode 100644
index 0000000..1b4fc58
--- /dev/null
+++ b/src/main/java/com/github/manevolent/ts3j/event/ClientUpdatedEvent.java
@@ -0,0 +1,45 @@
+package com.github.manevolent.ts3j.event;
+
+/*
+ * #%L
+ * TeamSpeak 3 Java API
+ * %%
+ * Copyright (C) 2014 Bert De Geyter
+ * %%
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * #L%
+ */
+
+import java.util.Map;
+
+public class ClientUpdatedEvent extends BaseEvent {
+
+	public ClientUpdatedEvent(Map<String, String> map) {
+		super(map);
+	}
+
+	public int getClientId() {
+		return getInt("clid");
+	}
+
+	@Override
+	public void fire(TS3Listener listener) {
+		listener.onClientChanged(this);
+	}
+}
diff --git a/src/main/java/com/github/manevolent/ts3j/event/TS3Event.java b/src/main/java/com/github/manevolent/ts3j/event/TS3Event.java
index f9fd8bd..2b42b88 100644
--- a/src/main/java/com/github/manevolent/ts3j/event/TS3Event.java
+++ b/src/main/java/com/github/manevolent/ts3j/event/TS3Event.java
@@ -61,8 +61,12 @@ public interface TS3Event {
 				return new ServerGroupListEvent(command.toMap());
 			case "notifychannelgrouplist": // CLIENT
 				return new ChannelGroupListEvent(command.toMap());
+			case "notifyclientchannelgroupchanged": // CLIENT
+				return new ClientChannelGroupChangedEvent(command.toMap());
 			case "notifyclientneededpermissions": // CLIENT
 				return new ClientNeededPermissionsEvent(command.toMap());
+			case "notifyclientupdated": // CLIENT
+				return new ClientUpdatedEvent(command.toMap());
 			default:
 				throw new IllegalArgumentException("unknown event: " + command.getName());
 		}
diff --git a/src/main/java/com/github/manevolent/ts3j/event/TS3Listener.java b/src/main/java/com/github/manevolent/ts3j/event/TS3Listener.java
index 41c20c9..9f73d6e 100644
--- a/src/main/java/com/github/manevolent/ts3j/event/TS3Listener.java
+++ b/src/main/java/com/github/manevolent/ts3j/event/TS3Listener.java
@@ -60,4 +60,6 @@ public interface TS3Listener {
 
     void onClientChannelGroupChanged(ClientChannelGroupChangedEvent e);
 
+    void onClientChanged(ClientUpdatedEvent e);
+
 }
diff --git a/src/main/java/com/github/manevolent/ts3j/protocol/socket/client/AbstractTeamspeakClientSocket.java b/src/main/java/com/github/manevolent/ts3j/protocol/socket/client/AbstractTeamspeakClientSocket.java
index 8403c22..9af8c5d 100644
--- a/src/main/java/com/github/manevolent/ts3j/protocol/socket/client/AbstractTeamspeakClientSocket.java
+++ b/src/main/java/com/github/manevolent/ts3j/protocol/socket/client/AbstractTeamspeakClientSocket.java
@@ -472,6 +472,8 @@ public abstract class AbstractTeamspeakClientSocket
 
         // Finally, handle compressed bodies
         if (packet.getBody() instanceof PacketBodyCompressed) {
+            Ts3Debugging.debug("[PROTOCOL] DECOMPRESS " + networkPacket.getHeader().getType().name());
+
             byte[] decompressed = QuickLZ.decompress(((PacketBodyCompressed) packet.getBody()).getCompressed());
 
             packetBuffer = ByteBuffer
@@ -481,8 +483,6 @@ public abstract class AbstractTeamspeakClientSocket
             packet = new Packet(packet.getRole(), packet.getHeader());
 
             packet.readBody(packetBuffer);
-
-            Ts3Debugging.debug("[PROTOCOL] DECOMPRESS " + networkPacket.getHeader().getType().name());
         }
 
         // Return to parent handler
@@ -988,7 +988,6 @@ public abstract class AbstractTeamspeakClientSocket
 
         private boolean putRelative(int index, int generation) {
             Integer existing = buffer[index];
-            Ts3Debugging.debug("putRelative: " + index);
             if (existing == null || existing != generation) {
                 buffer[index] = generation;
                 return true;
diff --git a/src/main/java/com/github/manevolent/ts3j/util/QuickLZ.java b/src/main/java/com/github/manevolent/ts3j/util/QuickLZ.java
index 10e4d25..858d97f 100644
--- a/src/main/java/com/github/manevolent/ts3j/util/QuickLZ.java
+++ b/src/main/java/com/github/manevolent/ts3j/util/QuickLZ.java
@@ -324,7 +324,7 @@ public final class QuickLZ
 		int level = (source[0] >>> 2) & 0x3;
 
 		if (level != 1 && level != 3)
-			return source;
+			throw new IllegalArgumentException("unsupported QuickLZ level: " + level);
 
 		if ((source[0] & 1) != 1)
 		{