diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index edd8a6214..8de5b45f9 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1833,7 +1833,6 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 				}
 
 				$this->randomClientId = $packet->clientId;
-				$this->loginData = ["clientId" => $packet->clientId, "loginData" => null];
 
 				$this->uuid = $packet->clientUUID;
 				$this->rawUUID = $this->uuid->toBinary();
@@ -2863,7 +2862,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 				}
 
 				break;
-			case ProtocolInfo::TILE_ENTITY_DATA_PACKET:
+			case ProtocolInfo::BLOCK_ENTITY_DATA_PACKET:
 				if($this->spawned === false or $this->blocked === true or !$this->isAlive()){
 					break;
 				}
diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 98b4e3302..b284c885f 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -75,8 +75,8 @@ namespace pocketmine {
 	const VERSION = "1.6dev";
 	const API_VERSION = "1.13.0";
 	const CODENAME = "[REDACTED]";
-	const MINECRAFT_VERSION = "v0.12.1 alpha";
-	const MINECRAFT_VERSION_NETWORK = "0.12.1";
+	const MINECRAFT_VERSION = "v0.13.0 alpha";
+	const MINECRAFT_VERSION_NETWORK = "0.13.0";
 
 	/*
 	 * Startup code. Do not look at it, it may harm you.
diff --git a/src/pocketmine/network/Network.php b/src/pocketmine/network/Network.php
index 8540d56b7..729f7c5be 100644
--- a/src/pocketmine/network/Network.php
+++ b/src/pocketmine/network/Network.php
@@ -43,7 +43,7 @@ use pocketmine\network\protocol\DropItemPacket;
 use pocketmine\network\protocol\FullChunkDataPacket;
 use pocketmine\network\protocol\Info;
 use pocketmine\network\protocol\SetEntityLinkPacket;
-use pocketmine\network\protocol\TileEntityDataPacket;
+use pocketmine\network\protocol\BlockEntityDataPacket;
 use pocketmine\network\protocol\EntityEventPacket;
 use pocketmine\network\protocol\ExplodePacket;
 use pocketmine\network\protocol\HurtArmorPacket;
@@ -71,7 +71,7 @@ use pocketmine\network\protocol\SetSpawnPositionPacket;
 use pocketmine\network\protocol\SetTimePacket;
 use pocketmine\network\protocol\StartGamePacket;
 use pocketmine\network\protocol\TakeItemEntityPacket;
-use pocketmine\network\protocol\TileEventPacket;
+use pocketmine\network\protocol\BlockEventPacket;
 use pocketmine\network\protocol\UpdateBlockPacket;
 use pocketmine\network\protocol\UseItemPacket;
 use pocketmine\network\protocol\PlayerListPacket;
@@ -325,7 +325,7 @@ class Network{
 		$this->registerPacket(ProtocolInfo::ADD_PAINTING_PACKET, AddPaintingPacket::class);
 		$this->registerPacket(ProtocolInfo::EXPLODE_PACKET, ExplodePacket::class);
 		$this->registerPacket(ProtocolInfo::LEVEL_EVENT_PACKET, LevelEventPacket::class);
-		$this->registerPacket(ProtocolInfo::TILE_EVENT_PACKET, TileEventPacket::class);
+		$this->registerPacket(ProtocolInfo::BLOCK_EVENT_PACKET, BlockEventPacket::class);
 		$this->registerPacket(ProtocolInfo::ENTITY_EVENT_PACKET, EntityEventPacket::class);
 		$this->registerPacket(ProtocolInfo::MOB_EQUIPMENT_PACKET, MobEquipmentPacket::class);
 		$this->registerPacket(ProtocolInfo::MOB_ARMOR_EQUIPMENT_PACKET, MobArmorEquipmentPacket::class);
@@ -349,7 +349,7 @@ class Network{
 		$this->registerPacket(ProtocolInfo::CRAFTING_DATA_PACKET, CraftingDataPacket::class);
 		$this->registerPacket(ProtocolInfo::CRAFTING_EVENT_PACKET, CraftingEventPacket::class);
 		$this->registerPacket(ProtocolInfo::ADVENTURE_SETTINGS_PACKET, AdventureSettingsPacket::class);
-		$this->registerPacket(ProtocolInfo::TILE_ENTITY_DATA_PACKET, TileEntityDataPacket::class);
+		$this->registerPacket(ProtocolInfo::BLOCK_ENTITY_DATA_PACKET, BlockEntityDataPacket::class);
 		$this->registerPacket(ProtocolInfo::FULL_CHUNK_DATA_PACKET, FullChunkDataPacket::class);
 		$this->registerPacket(ProtocolInfo::SET_DIFFICULTY_PACKET, SetDifficultyPacket::class);
 		$this->registerPacket(ProtocolInfo::PLAYER_LIST_PACKET, PlayerListPacket::class);
diff --git a/src/pocketmine/network/protocol/TileEntityDataPacket.php b/src/pocketmine/network/protocol/BlockEntityDataPacket.php
similarity index 89%
rename from src/pocketmine/network/protocol/TileEntityDataPacket.php
rename to src/pocketmine/network/protocol/BlockEntityDataPacket.php
index 65f04b738..668da2eea 100644
--- a/src/pocketmine/network/protocol/TileEntityDataPacket.php
+++ b/src/pocketmine/network/protocol/BlockEntityDataPacket.php
@@ -2,11 +2,11 @@
 
 /*
  *
- *  ____            _        _   __  __ _                  __  __ ____  
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
  * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -15,7 +15,7 @@
  *
  * @author PocketMine Team
  * @link http://www.pocketmine.net/
- * 
+ *
  *
 */
 
@@ -24,8 +24,8 @@ namespace pocketmine\network\protocol;
 #include <rules/DataPacket.h>
 
 
-class TileEntityDataPacket extends DataPacket{
-	const NETWORK_ID = Info::TILE_ENTITY_DATA_PACKET;
+class BlockEntityDataPacket extends DataPacket{
+	const NETWORK_ID = Info::BLOCK_ENTITY_DATA_PACKET;
 
 	public $x;
 	public $y;
diff --git a/src/pocketmine/network/protocol/TileEventPacket.php b/src/pocketmine/network/protocol/BlockEventPacket.php
similarity index 89%
rename from src/pocketmine/network/protocol/TileEventPacket.php
rename to src/pocketmine/network/protocol/BlockEventPacket.php
index b46d2b5ec..1399cfc4d 100644
--- a/src/pocketmine/network/protocol/TileEventPacket.php
+++ b/src/pocketmine/network/protocol/BlockEventPacket.php
@@ -2,11 +2,11 @@
 
 /*
  *
- *  ____            _        _   __  __ _                  __  __ ____  
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
  * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -15,7 +15,7 @@
  *
  * @author PocketMine Team
  * @link http://www.pocketmine.net/
- * 
+ *
  *
 */
 
@@ -24,8 +24,8 @@ namespace pocketmine\network\protocol;
 #include <rules/DataPacket.h>
 
 
-class TileEventPacket extends DataPacket{
-	const NETWORK_ID = Info::TILE_EVENT_PACKET;
+class BlockEventPacket extends DataPacket{
+	const NETWORK_ID = Info::BLOCK_EVENT_PACKET;
 
 	public $x;
 	public $y;
@@ -46,4 +46,4 @@ class TileEventPacket extends DataPacket{
 		$this->putInt($this->case2);
 	}
 
-}
\ No newline at end of file
+}
diff --git a/src/pocketmine/network/protocol/ContainerSetSlotPacket.php b/src/pocketmine/network/protocol/ContainerSetSlotPacket.php
index 244aba979..43c4d1c34 100644
--- a/src/pocketmine/network/protocol/ContainerSetSlotPacket.php
+++ b/src/pocketmine/network/protocol/ContainerSetSlotPacket.php
@@ -30,12 +30,14 @@ class ContainerSetSlotPacket extends DataPacket{
 
 	public $windowid;
 	public $slot;
+	public $hotbarSlot;
 	/** @var Item */
 	public $item;
 
 	public function decode(){
 		$this->windowid = $this->getByte();
 		$this->slot = $this->getShort();
+		$this->hotboarSlot = $this->getShort();
 		$this->item = $this->getSlot();
 	}
 
@@ -43,6 +45,7 @@ class ContainerSetSlotPacket extends DataPacket{
 		$this->reset();
 		$this->putByte($this->windowid);
 		$this->putShort($this->slot);
+		$this->putShort($this->hotbarSlot);
 		$this->putSlot($this->item);
 	}
 
diff --git a/src/pocketmine/network/protocol/Info.php b/src/pocketmine/network/protocol/Info.php
index e22c2dc1d..c4113e93b 100644
--- a/src/pocketmine/network/protocol/Info.php
+++ b/src/pocketmine/network/protocol/Info.php
@@ -30,7 +30,7 @@ interface Info{
 	/**
 	 * Actual Minecraft: PE protocol version
 	 */
-	const CURRENT_PROTOCOL = 34;
+	const CURRENT_PROTOCOL = 38;
 
 	const LOGIN_PACKET = 0x8f;
 	const PLAY_STATUS_PACKET = 0x90;
@@ -52,7 +52,7 @@ interface Info{
 	const ADD_PAINTING_PACKET = 0xa0;
 	const EXPLODE_PACKET = 0xa1;
 	const LEVEL_EVENT_PACKET = 0xa2;
-	const TILE_EVENT_PACKET = 0xa3;
+	const BLOCK_EVENT_PACKET = 0xa3;
 	const ENTITY_EVENT_PACKET = 0xa4;
 	const MOB_EFFECT_PACKET = 0xa5;
 	const UPDATE_ATTRIBUTES_PACKET = 0xa6;
@@ -78,7 +78,7 @@ interface Info{
 	const CRAFTING_DATA_PACKET = 0xba;
 	const CRAFTING_EVENT_PACKET = 0xbb;
 	const ADVENTURE_SETTINGS_PACKET = 0xbc;
-	const TILE_ENTITY_DATA_PACKET = 0xbd;
+	const BLOCK_ENTITY_DATA_PACKET = 0xbd;
 	//const PLAYER_INPUT_PACKET = 0xbe;
 	const FULL_CHUNK_DATA_PACKET = 0xbf;
 	const SET_DIFFICULTY_PACKET = 0xc0;
@@ -86,7 +86,7 @@ interface Info{
 	//const SET_PLAYER_GAMETYPE_PACKET = 0xc2;
 	const PLAYER_LIST_PACKET = 0xc3;
 	//const TELEMETRY_EVENT_PACKET = 0xc4;
-
+	//const SPAWN_EXPERIENCE_ORB_PACKET = 0xc5
 }
 
 
diff --git a/src/pocketmine/network/protocol/LoginPacket.php b/src/pocketmine/network/protocol/LoginPacket.php
index 3cc8eca94..5608ac993 100644
--- a/src/pocketmine/network/protocol/LoginPacket.php
+++ b/src/pocketmine/network/protocol/LoginPacket.php
@@ -52,6 +52,7 @@ class LoginPacket extends DataPacket{
 		$this->serverAddress = $this->getString();
 		$this->clientSecret = $this->getString();
 
+		$this->getByte(); // TODO: skin transparency, experimental or not?
 		$this->slim = $this->getByte() > 0;
 		$this->skin = $this->getString();
 	}
diff --git a/src/pocketmine/network/protocol/PlayerListPacket.php b/src/pocketmine/network/protocol/PlayerListPacket.php
index bcb45acd6..9f9658b4a 100644
--- a/src/pocketmine/network/protocol/PlayerListPacket.php
+++ b/src/pocketmine/network/protocol/PlayerListPacket.php
@@ -53,6 +53,7 @@ class PlayerListPacket extends DataPacket{
 				$this->putUUID($d[0]);
 				$this->putLong($d[1]);
 				$this->putString($d[2]);
+				$this->putByte(0); // TODO: skin transparency, experimental or not?
 				$this->putByte($d[3] ? 1 : 0);
 				$this->putString($d[4]);
 			}else{