diff --git a/api/src/main/java/net/md_5/bungee/api/connection/PendingConnection.java b/api/src/main/java/net/md_5/bungee/api/connection/PendingConnection.java
index f497395e..ee7b65a6 100644
--- a/api/src/main/java/net/md_5/bungee/api/connection/PendingConnection.java
+++ b/api/src/main/java/net/md_5/bungee/api/connection/PendingConnection.java
@@ -2,7 +2,9 @@ package net.md_5.bungee.api.connection;
 
 import java.net.InetSocketAddress;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import net.md_5.bungee.api.config.ListenerInfo;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Represents a user attempting to log into the proxy.
@@ -89,4 +91,18 @@ public interface PendingConnection extends Connection
      * @return Whether the client is using a legacy client.
      */
     boolean isLegacy();
+
+    /**
+     * Retrieves a cookie from this pending connection.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @return a {@link CompletableFuture} that will be completed when the
+     * Cookie response is received. If the cookie is not set in the client, the
+     * {@link CompletableFuture} will complete with a null value
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    CompletableFuture<byte[]> retrieveCookie(String cookie);
 }
diff --git a/api/src/main/java/net/md_5/bungee/api/connection/ProxiedPlayer.java b/api/src/main/java/net/md_5/bungee/api/connection/ProxiedPlayer.java
index ab879248..0fe647b8 100644
--- a/api/src/main/java/net/md_5/bungee/api/connection/ProxiedPlayer.java
+++ b/api/src/main/java/net/md_5/bungee/api/connection/ProxiedPlayer.java
@@ -3,6 +3,7 @@ package net.md_5.bungee.api.connection;
 import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import net.md_5.bungee.api.Callback;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.CommandSender;
@@ -13,6 +14,7 @@ import net.md_5.bungee.api.chat.BaseComponent;
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.event.ServerConnectEvent;
 import net.md_5.bungee.api.score.Scoreboard;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Represents a player whose connection is being connected to somewhere else,
@@ -339,4 +341,45 @@ public interface ProxiedPlayer extends Connection, CommandSender
      */
     @Deprecated
     Scoreboard getScoreboard();
+
+    /**
+     * Retrieves a cookie from this player.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @return a {@link CompletableFuture} that will be completed when the
+     * Cookie response is received. If the cookie is not set in the client, the
+     * {@link CompletableFuture} will complete with a null value
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    CompletableFuture<byte[]> retrieveCookie(String cookie);
+
+    /**
+     * Stores a cookie in this player's client.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @param data the data to store in the cookie
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    void storeCookie(String cookie, byte[] data);
+
+    /**
+     * Requests this player to connect to a different server specified by host
+     * and port.
+     *
+     * This is a client-side transfer - host and port should not specify a
+     * BungeeCord backend server.
+     *
+     * @param host the host of the server to transfer to
+     * @param port the port of the server to transfer to
+     * @throws IllegalStateException if the players version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    void transfer(String host, int port);
 }
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java b/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
index 4383dbb5..4b52c8b1 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
@@ -8,6 +8,8 @@ import net.md_5.bungee.protocol.packet.ClientCommand;
 import net.md_5.bungee.protocol.packet.ClientSettings;
 import net.md_5.bungee.protocol.packet.ClientStatus;
 import net.md_5.bungee.protocol.packet.Commands;
+import net.md_5.bungee.protocol.packet.CookieRequest;
+import net.md_5.bungee.protocol.packet.CookieResponse;
 import net.md_5.bungee.protocol.packet.EncryptionRequest;
 import net.md_5.bungee.protocol.packet.EncryptionResponse;
 import net.md_5.bungee.protocol.packet.EntityStatus;
@@ -40,6 +42,7 @@ import net.md_5.bungee.protocol.packet.SetCompression;
 import net.md_5.bungee.protocol.packet.StartConfiguration;
 import net.md_5.bungee.protocol.packet.StatusRequest;
 import net.md_5.bungee.protocol.packet.StatusResponse;
+import net.md_5.bungee.protocol.packet.StoreCookie;
 import net.md_5.bungee.protocol.packet.Subtitle;
 import net.md_5.bungee.protocol.packet.SystemChat;
 import net.md_5.bungee.protocol.packet.TabCompleteRequest;
@@ -47,6 +50,7 @@ import net.md_5.bungee.protocol.packet.TabCompleteResponse;
 import net.md_5.bungee.protocol.packet.Team;
 import net.md_5.bungee.protocol.packet.Title;
 import net.md_5.bungee.protocol.packet.TitleTimes;
+import net.md_5.bungee.protocol.packet.Transfer;
 import net.md_5.bungee.protocol.packet.ViewDistance;
 
 public abstract class AbstractPacketHandler
@@ -243,4 +247,20 @@ public abstract class AbstractPacketHandler
     public void handle(FinishConfiguration finishConfiguration) throws Exception
     {
     }
+
+    public void handle(Transfer transfer) throws Exception
+    {
+    }
+
+    public void handle(StoreCookie storeCookie) throws Exception
+    {
+    }
+
+    public void handle(CookieRequest cookieRequest) throws Exception
+    {
+    }
+
+    public void handle(CookieResponse cookieResponse) throws Exception
+    {
+    }
 }
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
index cc08447c..05522d8e 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
@@ -16,6 +16,8 @@ import net.md_5.bungee.protocol.packet.ClientChat;
 import net.md_5.bungee.protocol.packet.ClientCommand;
 import net.md_5.bungee.protocol.packet.ClientSettings;
 import net.md_5.bungee.protocol.packet.Commands;
+import net.md_5.bungee.protocol.packet.CookieRequest;
+import net.md_5.bungee.protocol.packet.CookieResponse;
 import net.md_5.bungee.protocol.packet.EncryptionRequest;
 import net.md_5.bungee.protocol.packet.EncryptionResponse;
 import net.md_5.bungee.protocol.packet.EntityStatus;
@@ -46,6 +48,7 @@ import net.md_5.bungee.protocol.packet.SetCompression;
 import net.md_5.bungee.protocol.packet.StartConfiguration;
 import net.md_5.bungee.protocol.packet.StatusRequest;
 import net.md_5.bungee.protocol.packet.StatusResponse;
+import net.md_5.bungee.protocol.packet.StoreCookie;
 import net.md_5.bungee.protocol.packet.Subtitle;
 import net.md_5.bungee.protocol.packet.SystemChat;
 import net.md_5.bungee.protocol.packet.TabCompleteRequest;
@@ -53,6 +56,7 @@ import net.md_5.bungee.protocol.packet.TabCompleteResponse;
 import net.md_5.bungee.protocol.packet.Team;
 import net.md_5.bungee.protocol.packet.Title;
 import net.md_5.bungee.protocol.packet.TitleTimes;
+import net.md_5.bungee.protocol.packet.Transfer;
 import net.md_5.bungee.protocol.packet.ViewDistance;
 
 public enum Protocol
@@ -90,7 +94,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x20 ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x1F ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x23 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x24 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x24 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x25 )
             );
             TO_CLIENT.registerPacket(
                     Login.class,
@@ -106,7 +111,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x25 ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x24 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x28 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x29 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x29 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x2A )
             );
             TO_CLIENT.registerPacket( Chat.class,
                     Chat::new,
@@ -136,7 +142,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x3D ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x41 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x43 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x45 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x45 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x46 )
             );
             TO_CLIENT.registerPacket(
                     BossBar.class,
@@ -195,7 +202,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x54 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x58 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x5A ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5C )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5C ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x5D )
             );
             TO_CLIENT.registerPacket(
                     ScoreboardScore.class,
@@ -212,12 +220,14 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x57 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x5B ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x5D ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5F )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5F ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x60 )
             );
             TO_CLIENT.registerPacket(
                     ScoreboardScoreReset.class,
                     ScoreboardScoreReset::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x42 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x42 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x43 )
             );
             TO_CLIENT.registerPacket(
                     ScoreboardDisplay.class,
@@ -234,7 +244,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x4D ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x51 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x53 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x55 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x55 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x56 )
             );
             TO_CLIENT.registerPacket(
                     Team.class,
@@ -251,7 +262,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x56 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x5A ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x5C ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5E )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x5E ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x5F )
             );
             TO_CLIENT.registerPacket(
                     PluginMessage.class,
@@ -268,7 +280,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x16 ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x15 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x17 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x18 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x18 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x19 )
             );
             TO_CLIENT.registerPacket(
                     Kick.class,
@@ -285,7 +298,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x19 ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x17 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x1A ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x1B )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x1B ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x1C )
             );
             TO_CLIENT.registerPacket(
                     Title.class,
@@ -303,7 +317,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x5B ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x5F ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x61 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x63 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x63 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x64 )
             );
             TO_CLIENT.registerPacket(
                     ClearTitles.class,
@@ -323,7 +338,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x59 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x5D ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x5F ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x61 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x61 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x62 )
             );
             TO_CLIENT.registerPacket(
                     TitleTimes.class,
@@ -334,7 +350,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x5C ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x60 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x62 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x64 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x64 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x65 )
             );
             TO_CLIENT.registerPacket(
                     SystemChat.class,
@@ -344,7 +361,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x60 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x64 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x67 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x69 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x69 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x6B )
             );
             TO_CLIENT.registerPacket(
                     PlayerListHeaderFooter.class,
@@ -365,7 +383,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x61 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x65 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x68 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x6A )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x6A ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x6C )
             );
             TO_CLIENT.registerPacket(
                     EntityStatus.class,
@@ -382,7 +401,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x1A ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x19 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x1C ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x1D )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x1D ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x1E )
             );
             TO_CLIENT.registerPacket(
                     Commands.class,
@@ -408,7 +428,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_1, 0x1D ),
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x1C ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x1F ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x20 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x20 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x21 )
             );
             TO_CLIENT.registerPacket(
                     ViewDistance.class,
@@ -422,7 +443,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x4B ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x4F ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x51 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x53 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x53 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x61 )
             );
             TO_CLIENT.registerPacket(
                     ServerData.class,
@@ -432,27 +454,46 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x41 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x45 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x47 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x49 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x49 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x4A )
             );
             TO_CLIENT.registerPacket(
                     PlayerListItemRemove.class,
                     PlayerListItemRemove::new,
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x35 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x39 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x3B )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x3B ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x3C )
             );
             TO_CLIENT.registerPacket(
                     PlayerListItemUpdate.class,
                     PlayerListItemUpdate::new,
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x36 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x3A ),
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x3C )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x3C ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x3D )
             );
             TO_CLIENT.registerPacket(
                     StartConfiguration.class,
                     StartConfiguration::new,
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x65 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x67 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x67 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x68 )
+            );
+            TO_CLIENT.registerPacket(
+                    CookieRequest.class,
+                    CookieRequest::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x16 )
+            );
+            TO_CLIENT.registerPacket(
+                    StoreCookie.class,
+                    StoreCookie::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x6A )
+            );
+            TO_CLIENT.registerPacket(
+                    Transfer.class,
+                    Transfer::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x72 )
             );
 
             TO_SERVER.registerPacket(
@@ -471,7 +512,8 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x11 ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x12 ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x14 ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x15 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x15 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x16 )
             );
             TO_SERVER.registerPacket( Chat.class,
                     Chat::new,
@@ -538,13 +580,19 @@ public enum Protocol
                     map( ProtocolConstants.MINECRAFT_1_19_3, 0x0C ),
                     map( ProtocolConstants.MINECRAFT_1_19_4, 0x0D ),
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x0F ),
-                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x10 )
+                    map( ProtocolConstants.MINECRAFT_1_20_3, 0x10 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x11 )
             );
             TO_SERVER.registerPacket(
                     StartConfiguration.class,
                     StartConfiguration::new,
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x0B )
             );
+            TO_SERVER.registerPacket(
+                    CookieResponse.class,
+                    CookieResponse::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x10 )
+            );
         }
     },
     // 1
@@ -605,6 +653,11 @@ public enum Protocol
                     LoginPayloadRequest::new,
                     map( ProtocolConstants.MINECRAFT_1_13, 0x04 )
             );
+            TO_CLIENT.registerPacket(
+                    CookieRequest.class,
+                    CookieRequest::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x05 )
+            );
 
             TO_SERVER.registerPacket(
                     LoginRequest.class,
@@ -626,6 +679,11 @@ public enum Protocol
                     LoginAcknowledged::new,
                     map( ProtocolConstants.MINECRAFT_1_20_2, 0x03 )
             );
+            TO_SERVER.registerPacket(
+                    CookieResponse.class,
+                    CookieResponse::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x04 )
+            );
         }
     },
     // 3
@@ -633,25 +691,45 @@ public enum Protocol
     {
 
         {
+
+            TO_CLIENT.registerPacket(
+                    CookieRequest.class,
+                    CookieRequest::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x00 )
+            );
             TO_CLIENT.registerPacket(
                     PluginMessage.class,
                     PluginMessage::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x00 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x00 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x01 )
             );
             TO_CLIENT.registerPacket(
                     Kick.class,
                     Kick::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x01 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x01 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x02 )
             );
             TO_CLIENT.registerPacket(
                     FinishConfiguration.class,
                     FinishConfiguration::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x02 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x02 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x03 )
             );
             TO_CLIENT.registerPacket(
                     KeepAlive.class,
                     KeepAlive::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x03 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x03 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x04 )
+            );
+            TO_CLIENT.registerPacket(
+                    StoreCookie.class,
+                    StoreCookie::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x09 )
+            );
+            TO_CLIENT.registerPacket(
+                    Transfer.class,
+                    Transfer::new,
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x0A )
             );
 
             TO_SERVER.registerPacket(
@@ -662,17 +740,20 @@ public enum Protocol
             TO_SERVER.registerPacket(
                     PluginMessage.class,
                     PluginMessage::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x01 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x01 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x02 )
             );
             TO_SERVER.registerPacket(
                     FinishConfiguration.class,
                     FinishConfiguration::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x02 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x02 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x03 )
             );
             TO_SERVER.registerPacket(
                     KeepAlive.class,
                     KeepAlive::new,
-                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x03 )
+                    map( ProtocolConstants.MINECRAFT_1_20_2, 0x03 ),
+                    map( ProtocolConstants.MINECRAFT_1_20_5, 0x04 )
             );
         }
     };
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
index 6cb4c798..80e06337 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
@@ -45,6 +45,7 @@ public class ProtocolConstants
     public static final int MINECRAFT_1_20 = 763;
     public static final int MINECRAFT_1_20_2 = 764;
     public static final int MINECRAFT_1_20_3 = 765;
+    public static final int MINECRAFT_1_20_5 = 1073741997;
     public static final List<String> SUPPORTED_VERSIONS;
     public static final List<Integer> SUPPORTED_VERSION_IDS;
 
@@ -109,7 +110,7 @@ public class ProtocolConstants
         if ( SNAPSHOT_SUPPORT )
         {
             // supportedVersions.add( "1.20.x" );
-            // supportedVersionIds.add( ProtocolConstants.MINECRAFT_1_20_3 );
+            supportedVersionIds.add( ProtocolConstants.MINECRAFT_1_20_5 );
         }
 
         SUPPORTED_VERSIONS = supportedVersions.build();
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieRequest.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieRequest.java
new file mode 100644
index 00000000..cb29519a
--- /dev/null
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieRequest.java
@@ -0,0 +1,38 @@
+package net.md_5.bungee.protocol.packet;
+
+import io.netty.buffer.ByteBuf;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import net.md_5.bungee.protocol.AbstractPacketHandler;
+import net.md_5.bungee.protocol.DefinedPacket;
+import net.md_5.bungee.protocol.ProtocolConstants;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+public class CookieRequest extends DefinedPacket
+{
+
+    private String cookie;
+
+    @Override
+    public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        cookie = readString( buf );
+    }
+
+    @Override
+    public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        writeString( cookie, buf );
+    }
+
+    @Override
+    public void handle(AbstractPacketHandler handler) throws Exception
+    {
+        handler.handle( this );
+    }
+}
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieResponse.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieResponse.java
new file mode 100644
index 00000000..77a541b6
--- /dev/null
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/CookieResponse.java
@@ -0,0 +1,41 @@
+package net.md_5.bungee.protocol.packet;
+
+import io.netty.buffer.ByteBuf;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import net.md_5.bungee.protocol.AbstractPacketHandler;
+import net.md_5.bungee.protocol.DefinedPacket;
+import net.md_5.bungee.protocol.ProtocolConstants;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+public class CookieResponse extends DefinedPacket
+{
+
+    private String cookie;
+    private byte[] data;
+
+    @Override
+    public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        cookie = readString( buf );
+        data = readNullable( DefinedPacket::readArray, buf );
+    }
+
+    @Override
+    public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        writeString( cookie, buf );
+        writeNullable( data, DefinedPacket::writeArray, buf );
+    }
+
+    @Override
+    public void handle(AbstractPacketHandler handler) throws Exception
+    {
+        handler.handle( this );
+    }
+}
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/EncryptionRequest.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/EncryptionRequest.java
index a29524ca..2c167475 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/EncryptionRequest.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/EncryptionRequest.java
@@ -19,6 +19,7 @@ public class EncryptionRequest extends DefinedPacket
     private String serverId;
     private byte[] publicKey;
     private byte[] verifyToken;
+    private boolean shouldAuthenticate;
 
     @Override
     public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
@@ -26,6 +27,10 @@ public class EncryptionRequest extends DefinedPacket
         serverId = readString( buf );
         publicKey = readArray( buf );
         verifyToken = readArray( buf );
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_5 )
+        {
+            shouldAuthenticate = buf.readBoolean();
+        }
     }
 
     @Override
@@ -34,6 +39,10 @@ public class EncryptionRequest extends DefinedPacket
         writeString( serverId, buf );
         writeArray( publicKey, buf );
         writeArray( verifyToken, buf );
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_5 )
+        {
+            buf.writeBoolean( shouldAuthenticate );
+        }
     }
 
     @Override
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/Login.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Login.java
index f110c655..c3ca42d7 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/Login.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Login.java
@@ -41,6 +41,7 @@ public class Login extends DefinedPacket
     private boolean flat;
     private Location deathLocation;
     private int portalCooldown;
+    private boolean secureProfile;
 
     @Override
     public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
@@ -154,6 +155,11 @@ public class Login extends DefinedPacket
         {
             portalCooldown = readVarInt( buf );
         }
+
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_5 )
+        {
+            secureProfile = buf.readBoolean();
+        }
     }
 
     @Override
@@ -275,6 +281,11 @@ public class Login extends DefinedPacket
         {
             writeVarInt( portalCooldown, buf );
         }
+
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_5 )
+        {
+            buf.writeBoolean( secureProfile );
+        }
     }
 
     @Override
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/ServerData.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/ServerData.java
index d3427f38..f9f485e4 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/ServerData.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/ServerData.java
@@ -33,7 +33,7 @@ public class ServerData extends DefinedPacket
         {
             if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_4 )
             {
-                icon = DefinedPacket.readArray( buf );
+                icon = readArray( buf );
             } else
             {
                 icon = readString( buf );
@@ -45,7 +45,7 @@ public class ServerData extends DefinedPacket
             preview = buf.readBoolean();
         }
 
-        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 )
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 && protocolVersion < ProtocolConstants.MINECRAFT_1_20_5 )
         {
             enforceSecure = buf.readBoolean();
         }
@@ -76,7 +76,7 @@ public class ServerData extends DefinedPacket
             buf.writeBoolean( true );
             if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_4 )
             {
-                DefinedPacket.writeArray( (byte[]) icon, buf );
+                writeArray( (byte[]) icon, buf );
             } else
             {
                 writeString( (String) icon, buf );
@@ -91,7 +91,7 @@ public class ServerData extends DefinedPacket
             buf.writeBoolean( preview );
         }
 
-        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 )
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 && protocolVersion < ProtocolConstants.MINECRAFT_1_20_5 )
         {
             buf.writeBoolean( enforceSecure );
         }
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/StoreCookie.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/StoreCookie.java
new file mode 100644
index 00000000..7a728a04
--- /dev/null
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/StoreCookie.java
@@ -0,0 +1,41 @@
+package net.md_5.bungee.protocol.packet;
+
+import io.netty.buffer.ByteBuf;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import net.md_5.bungee.protocol.AbstractPacketHandler;
+import net.md_5.bungee.protocol.DefinedPacket;
+import net.md_5.bungee.protocol.ProtocolConstants;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+public class StoreCookie extends DefinedPacket
+{
+
+    private String key;
+    private byte[] data;
+
+    @Override
+    public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        key = readString( buf );
+        data = readArray( buf, 5120 );
+    }
+
+    @Override
+    public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        writeString( key, buf );
+        writeArray( data, buf );
+    }
+
+    @Override
+    public void handle(AbstractPacketHandler handler) throws Exception
+    {
+        handler.handle( this );
+    }
+}
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/Transfer.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Transfer.java
new file mode 100644
index 00000000..6f7d0440
--- /dev/null
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Transfer.java
@@ -0,0 +1,41 @@
+package net.md_5.bungee.protocol.packet;
+
+import io.netty.buffer.ByteBuf;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import net.md_5.bungee.protocol.AbstractPacketHandler;
+import net.md_5.bungee.protocol.DefinedPacket;
+import net.md_5.bungee.protocol.ProtocolConstants;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+public class Transfer extends DefinedPacket
+{
+
+    private String host;
+    private int port;
+
+    @Override
+    public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        host = readString( buf );
+        port = readVarInt( buf );
+    }
+
+    @Override
+    public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+    {
+        writeString( host, buf );
+        writeVarInt( port, buf );
+    }
+
+    @Override
+    public void handle(AbstractPacketHandler handler) throws Exception
+    {
+        handler.handle( this );
+    }
+}
diff --git a/proxy/src/main/java/net/md_5/bungee/EncryptionUtil.java b/proxy/src/main/java/net/md_5/bungee/EncryptionUtil.java
index de12a565..fb497ca0 100644
--- a/proxy/src/main/java/net/md_5/bungee/EncryptionUtil.java
+++ b/proxy/src/main/java/net/md_5/bungee/EncryptionUtil.java
@@ -73,7 +73,8 @@ public class EncryptionUtil
         byte[] pubKey = keys.getPublic().getEncoded();
         byte[] verify = new byte[ 4 ];
         random.nextBytes( verify );
-        return new EncryptionRequest( hash, pubKey, verify );
+        // always auth for now
+        return new EncryptionRequest( hash, pubKey, verify, true );
     }
 
     public static boolean check(PlayerPublicKey publicKey, UUID uuid) throws GeneralSecurityException
diff --git a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
index dc6a5a8f..193a2057 100644
--- a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
+++ b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
@@ -243,7 +243,7 @@ public class ServerConnector extends PacketHandler
             // Set tab list size, TODO: what shall we do about packet mutability
             Login modLogin = new Login( login.getEntityId(), login.isHardcore(), login.getGameMode(), login.getPreviousGameMode(), login.getWorldNames(), login.getDimensions(), login.getDimension(), login.getWorldName(), login.getSeed(), login.getDifficulty(),
                     (byte) user.getPendingConnection().getListener().getTabListSize(), login.getLevelType(), login.getViewDistance(), login.getSimulationDistance(), login.isReducedDebugInfo(), login.isNormalRespawn(), login.isLimitedCrafting(), login.isDebug(), login.isFlat(), login.getDeathLocation(),
-                    login.getPortalCooldown() );
+                    login.getPortalCooldown(), login.isSecureProfile() );
 
             user.unsafe().sendPacket( modLogin );
 
diff --git a/proxy/src/main/java/net/md_5/bungee/UserConnection.java b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
index 04143a46..9edec410 100644
--- a/proxy/src/main/java/net/md_5/bungee/UserConnection.java
+++ b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
@@ -20,6 +20,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Queue;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.logging.Level;
 import lombok.Getter;
@@ -60,7 +61,9 @@ import net.md_5.bungee.protocol.packet.Kick;
 import net.md_5.bungee.protocol.packet.PlayerListHeaderFooter;
 import net.md_5.bungee.protocol.packet.PluginMessage;
 import net.md_5.bungee.protocol.packet.SetCompression;
+import net.md_5.bungee.protocol.packet.StoreCookie;
 import net.md_5.bungee.protocol.packet.SystemChat;
+import net.md_5.bungee.protocol.packet.Transfer;
 import net.md_5.bungee.tab.ServerUnique;
 import net.md_5.bungee.tab.TabList;
 import net.md_5.bungee.util.CaseInsensitiveSet;
@@ -771,4 +774,26 @@ public final class UserConnection implements ProxiedPlayer
     {
         return serverSentScoreboard;
     }
+
+    @Override
+    public CompletableFuture<byte[]> retrieveCookie(String cookie)
+    {
+        return pendingConnection.retrieveCookie( cookie );
+    }
+
+    @Override
+    public void storeCookie(String cookie, byte[] data)
+    {
+        Preconditions.checkState( getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_20_5, "Cookies are only supported in 1.20.5 and above" );
+
+        unsafe().sendPacket( new StoreCookie( cookie, data ) );
+    }
+
+    @Override
+    public void transfer(String host, int port)
+    {
+        Preconditions.checkState( getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_20_5, "Transfers are only supported in 1.20.5 and above" );
+
+        unsafe().sendPacket( new Transfer( host, port ) );
+    }
 }
diff --git a/proxy/src/main/java/net/md_5/bungee/conf/Configuration.java b/proxy/src/main/java/net/md_5/bungee/conf/Configuration.java
index 54c3223c..6967d4fc 100644
--- a/proxy/src/main/java/net/md_5/bungee/conf/Configuration.java
+++ b/proxy/src/main/java/net/md_5/bungee/conf/Configuration.java
@@ -68,6 +68,7 @@ public class Configuration implements ProxyConfig
     private int compressionThreshold = 256;
     private boolean preventProxyConnections;
     private boolean forgeSupport;
+    private boolean rejectTransfers;
 
     public void load()
     {
@@ -103,6 +104,7 @@ public class Configuration implements ProxyConfig
         compressionThreshold = adapter.getInt( "network_compression_threshold", compressionThreshold );
         preventProxyConnections = adapter.getBoolean( "prevent_proxy_connections", preventProxyConnections );
         forgeSupport = adapter.getBoolean( "forge_support", forgeSupport );
+        rejectTransfers = adapter.getBoolean( "reject_transfers", rejectTransfers );
 
         disabledCommands = new CaseInsensitiveSet( (Collection<String>) adapter.getList( "disabled_commands", Arrays.asList( "disabledcommandhere" ) ) );
 
diff --git a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
index b1b087aa..b51500be 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
@@ -11,12 +11,19 @@ import java.security.GeneralSecurityException;
 import java.security.MessageDigest;
 import java.time.Instant;
 import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Queue;
 import java.util.Set;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import java.util.logging.Level;
 import javax.crypto.SecretKey;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.ToString;
 import net.md_5.bungee.BungeeCord;
 import net.md_5.bungee.BungeeServerInfo;
 import net.md_5.bungee.EncryptionUtil;
@@ -51,6 +58,8 @@ import net.md_5.bungee.protocol.PacketWrapper;
 import net.md_5.bungee.protocol.PlayerPublicKey;
 import net.md_5.bungee.protocol.Protocol;
 import net.md_5.bungee.protocol.ProtocolConstants;
+import net.md_5.bungee.protocol.packet.CookieRequest;
+import net.md_5.bungee.protocol.packet.CookieResponse;
 import net.md_5.bungee.protocol.packet.EncryptionRequest;
 import net.md_5.bungee.protocol.packet.EncryptionResponse;
 import net.md_5.bungee.protocol.packet.Handshake;
@@ -86,6 +95,19 @@ public class InitialHandler extends PacketHandler implements PendingConnection
     @Getter
     private final Set<String> registeredChannels = new HashSet<>();
     private State thisState = State.HANDSHAKE;
+    private final Queue<CookieFuture> requestedCookies = new LinkedList<>();
+
+    @Data
+    @ToString
+    @EqualsAndHashCode
+    @AllArgsConstructor
+    public static class CookieFuture
+    {
+
+        private String cookie;
+        private CompletableFuture<byte[]> future;
+    }
+
     private final Unsafe unsafe = new Unsafe()
     {
         @Override
@@ -109,6 +131,8 @@ public class InitialHandler extends PacketHandler implements PendingConnection
     private boolean legacy;
     @Getter
     private String extraDataInHandshake = "";
+    @Getter
+    private boolean transferred;
     private UserConnection userCon;
 
     @Override
@@ -349,6 +373,8 @@ public class InitialHandler extends PacketHandler implements PendingConnection
                 ch.setProtocol( Protocol.STATUS );
                 break;
             case 2:
+            case 3:
+                transferred = handshake.getRequestedProtocol() == 3;
                 // Login
                 bungee.getLogger().log( Level.INFO, "{0} has connected", this );
                 thisState = State.USERNAME;
@@ -365,6 +391,12 @@ public class InitialHandler extends PacketHandler implements PendingConnection
                     }
                     return;
                 }
+
+                if ( transferred && bungee.config.isRejectTransfers() )
+                {
+                    disconnect( bungee.getTranslation( "reject_transfer" ) );
+                    return;
+                }
                 break;
             default:
                 throw new QuietException( "Cannot request protocol " + handshake.getRequestedProtocol() );
@@ -643,6 +675,34 @@ public class InitialHandler extends PacketHandler implements PendingConnection
         disconnect( "Unexpected custom LoginPayloadResponse" );
     }
 
+    @Override
+    public void handle(CookieResponse cookieResponse)
+    {
+        // be careful, backend server could also make the client send a cookie response
+        CookieFuture future;
+        synchronized ( requestedCookies )
+        {
+            future = requestedCookies.peek();
+            if ( future != null )
+            {
+                if ( future.cookie.equals( cookieResponse.getCookie() ) )
+                {
+                    Preconditions.checkState( future == requestedCookies.poll(), "requestedCookies queue mismatch" );
+                } else
+                {
+                    future = null; // leave for handling by backend
+                }
+            }
+        }
+
+        if ( future != null )
+        {
+            future.getFuture().complete( cookieResponse.getData() );
+
+            throw CancelSendSignal.INSTANCE;
+        }
+    }
+
     @Override
     public void disconnect(String reason)
     {
@@ -775,4 +835,26 @@ public class InitialHandler extends PacketHandler implements PendingConnection
             brandMessage = input;
         }
     }
+
+    @Override
+    public CompletableFuture<byte[]> retrieveCookie(String cookie)
+    {
+        Preconditions.checkState( getVersion() >= ProtocolConstants.MINECRAFT_1_20_5, "Cookies are only supported in 1.20.5 and above" );
+        Preconditions.checkState( loginRequest != null, "Cannot retrieve cookies for status or legacy connections" );
+
+        if ( cookie.indexOf( ':' ) == -1 )
+        {
+            // if we request an invalid resource location (no prefix) the client will respond with "minecraft:" prefix
+            cookie = "minecraft:" + cookie;
+        }
+
+        CompletableFuture<byte[]> future = new CompletableFuture<>();
+        synchronized ( requestedCookies )
+        {
+            requestedCookies.add( new CookieFuture( cookie, future ) );
+        }
+        unsafe.sendPacket( new CookieRequest( cookie ) );
+
+        return future;
+    }
 }
diff --git a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
index 460aa491..95c7f3c4 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
@@ -32,6 +32,7 @@ import net.md_5.bungee.protocol.packet.Chat;
 import net.md_5.bungee.protocol.packet.ClientChat;
 import net.md_5.bungee.protocol.packet.ClientCommand;
 import net.md_5.bungee.protocol.packet.ClientSettings;
+import net.md_5.bungee.protocol.packet.CookieResponse;
 import net.md_5.bungee.protocol.packet.FinishConfiguration;
 import net.md_5.bungee.protocol.packet.KeepAlive;
 import net.md_5.bungee.protocol.packet.LoginAcknowledged;
@@ -363,6 +364,12 @@ public class UpstreamBridge extends PacketHandler
         con.sendQueuedPackets();
     }
 
+    @Override
+    public void handle(CookieResponse cookieResponse) throws Exception
+    {
+        con.getPendingConnection().handle( cookieResponse );
+    }
+
     @Override
     public String toString()
     {
diff --git a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
index 9a47f2ec..2bf92a03 100644
--- a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
+++ b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
@@ -86,6 +86,8 @@ public abstract class EntityMap
                 return EntityMap_1_16_2.INSTANCE_1_20_2;
             case ProtocolConstants.MINECRAFT_1_20_3:
                 return EntityMap_1_16_2.INSTANCE_1_20_3;
+            case ProtocolConstants.MINECRAFT_1_20_5:
+                return EntityMap_1_16_2.INSTANCE_1_20_5;
         }
         throw new RuntimeException( "Version " + version + " has no entity map" );
     }
diff --git a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap_1_16_2.java b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap_1_16_2.java
index 007957a8..b92f3f1f 100644
--- a/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap_1_16_2.java
+++ b/proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap_1_16_2.java
@@ -22,6 +22,7 @@ class EntityMap_1_16_2 extends EntityMap
     static final EntityMap_1_16_2 INSTANCE_1_19_4 = new EntityMap_1_16_2( 0x03, 0x30 );
     static final EntityMap_1_16_2 INSTANCE_1_20_2 = new EntityMap_1_16_2( -1, 0x33 );
     static final EntityMap_1_16_2 INSTANCE_1_20_3 = new EntityMap_1_16_2( -1, 0x34 );
+    static final EntityMap_1_16_2 INSTANCE_1_20_5 = new EntityMap_1_16_2( -1, 0x6F );
     //
     private final int spawnPlayerId;
     private final int spectateId;
diff --git a/proxy/src/main/resources/messages.properties b/proxy/src/main/resources/messages.properties
index e42b798b..149c742f 100644
--- a/proxy/src/main/resources/messages.properties
+++ b/proxy/src/main/resources/messages.properties
@@ -40,3 +40,4 @@ command_perms_permission=\u00a79- {0}
 command_ip=\u00a79IP of {0} is {1}
 illegal_chat_characters=\u00a7cIllegal characters in chat ({0})
 kick_message=\u00a7cYou have been kicked off the proxy.
+reject_transfer=\u00a7cYour transfer was rejected.