diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 1d1cfd93b..a56d9469b 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -762,6 +762,15 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 		return true;
 	}
 
+	/**
+	 * {@inheritdoc}
+	 *
+	 * If null is given, will additionally send the skin to the player itself as well as its viewers.
+	 */
+	public function sendSkin(array $targets = null) : void{
+		parent::sendSkin($targets ?? $this->server->getOnlinePlayers());
+	}
+
 	/**
 	 * Gets the player IP address
 	 *
@@ -1988,24 +1997,14 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 			return true;
 		}
 
-		/* Mojang, some stupid reason, send every single model for every single skin in the selected skin-pack.
-		 * Not only that, they are pretty-printed. This decode/encode is to get rid of the pretty-print, which cuts down
-		 * significantly on the amount of wasted bytes.
-		 * TODO: find out what model crap can be safely dropped from the packet (unless it gets fixed first)
-		 */
-
-		$geometryJsonEncoded = base64_decode($packet->clientData["SkinGeometry"] ?? "");
-		if($geometryJsonEncoded !== ""){
-			$geometryJsonEncoded = json_encode(json_decode($geometryJsonEncoded));
-		}
-
 		$skin = new Skin(
 			$packet->clientData["SkinId"],
 			base64_decode($packet->clientData["SkinData"] ?? ""),
 			base64_decode($packet->clientData["CapeData"] ?? ""),
 			$packet->clientData["SkinGeometryName"],
-			$geometryJsonEncoded
+			base64_decode($packet->clientData["SkinGeometry"] ?? "")
 		);
+		$skin->debloatGeometryData();
 
 		if(!$skin->isValid()){
 			$this->close("", "disconnectionScreen.invalidSkin");
@@ -2911,7 +2910,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 			return true;
 		}
 
-		$tile = $this->level->getTile($this->temporalVector->setComponents($packet->x, $packet->y, $packet->z));
+		$tile = $this->level->getTileAt($packet->x, $packet->y, $packet->z);
 		if($tile instanceof ItemFrame){
 			$ev = new PlayerInteractEvent($this, $this->inventory->getItemInHand(), $tile->getBlock(), null, 5 - $tile->getBlock()->getDamage(), PlayerInteractEvent::LEFT_CLICK_BLOCK);
 			$this->server->getPluginManager()->callEvent($ev);
diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 4f5695040..8c10cf69f 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -410,6 +410,12 @@ namespace pocketmine {
 		return -1;
 	}
 
+	/**
+	 * @param int        $start
+	 * @param array|null $trace
+	 *
+	 * @return array
+	 */
 	function getTrace($start = 0, $trace = null){
 		if($trace === null){
 			if(function_exists("xdebug_get_function_stack")){
diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index f7a206c8a..8f63c1f96 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -2156,6 +2156,10 @@ class Server{
 		}
 	}
 
+	/**
+	 * @param \Throwable $e
+	 * @param array|null $trace
+	 */
 	public function exceptionHandler(\Throwable $e, $trace = null){
 		if($e === null){
 			return;
diff --git a/src/pocketmine/entity/Human.php b/src/pocketmine/entity/Human.php
index 689bf715d..f53c494eb 100644
--- a/src/pocketmine/entity/Human.php
+++ b/src/pocketmine/entity/Human.php
@@ -126,16 +126,20 @@ class Human extends Creature implements ProjectileSource, InventoryHolder{
 		}
 
 		$this->skin = $skin;
+		$this->skin->debloatGeometryData();
 	}
 
 	/**
-	 * @param Player[] $targets
+	 * Sends the human's skin to the specified list of players. If null is given for targets, the skin will be sent to
+	 * all viewers.
+	 *
+	 * @param Player[]|null $targets
 	 */
-	public function sendSkin(array $targets) : void{
+	public function sendSkin(array $targets = null) : void{
 		$pk = new PlayerSkinPacket();
 		$pk->uuid = $this->getUniqueId();
 		$pk->skin = $this->skin;
-		$this->server->broadcastPacket($targets, $pk);
+		$this->server->broadcastPacket($targets ?? $this->hasSpawned, $pk);
 	}
 
 	public function jump(){
diff --git a/src/pocketmine/entity/Skin.php b/src/pocketmine/entity/Skin.php
index 7c5e3b759..b1d04f192 100644
--- a/src/pocketmine/entity/Skin.php
+++ b/src/pocketmine/entity/Skin.php
@@ -87,4 +87,17 @@ class Skin{
 		return $this->geometryData;
 	}
 
+	/**
+	 * Hack to cut down on network overhead due to skins, by un-pretty-printing geometry JSON.
+	 *
+	 * Mojang, some stupid reason, send every single model for every single skin in the selected skin-pack.
+	 * Not only that, they are pretty-printed.
+	 * TODO: find out what model crap can be safely dropped from the packet (unless it gets fixed first)
+	 */
+	public function debloatGeometryData() : void{
+		if($this->geometryData !== ""){
+			$this->geometryData = (string) json_encode(json_decode($this->geometryData));
+		}
+	}
+
 }
\ No newline at end of file
diff --git a/src/pocketmine/inventory/CraftingManager.php b/src/pocketmine/inventory/CraftingManager.php
index 3513971db..4d869c960 100644
--- a/src/pocketmine/inventory/CraftingManager.php
+++ b/src/pocketmine/inventory/CraftingManager.php
@@ -26,6 +26,7 @@ namespace pocketmine\inventory;
 use pocketmine\event\Timings;
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\network\mcpe\protocol\BatchPacket;
 use pocketmine\network\mcpe\protocol\CraftingDataPacket;
 use pocketmine\Server;
 use pocketmine\utils\Config;
@@ -35,19 +36,18 @@ use pocketmine\utils\UUID;
 class CraftingManager{
 
 	/** @var CraftingRecipe[] */
-	public $recipes = [];
+	protected $recipes = [];
 
 	/** @var ShapedRecipe[][] */
 	protected $shapedRecipes = [];
 	/** @var ShapelessRecipe[][] */
 	protected $shapelessRecipes = [];
-
 	/** @var FurnaceRecipe[] */
-	public $furnaceRecipes = [];
+	protected $furnaceRecipes = [];
 
 	private static $RECIPE_COUNT = 0;
 
-	/** @var CraftingDataPacket */
+	/** @var BatchPacket */
 	private $craftingDataCache;
 
 	public function __construct(){
@@ -113,16 +113,21 @@ class CraftingManager{
 
 		$pk->encode();
 
-		$this->craftingDataCache = $pk;
+		$batch = new BatchPacket();
+		$batch->addPacket($pk);
+		$batch->setCompressionLevel(Server::getInstance()->networkCompressionLevel);
+		$batch->encode();
+
+		$this->craftingDataCache = $batch;
 		Timings::$craftingDataCacheRebuildTimer->stopTiming();
 	}
 
 	/**
-	 * Returns a CraftingDataPacket for sending to players. Rebuilds the cache if it is outdated.
+	 * Returns a pre-compressed CraftingDataPacket for sending to players. Rebuilds the cache if it is not found.
 	 *
-	 * @return CraftingDataPacket
+	 * @return BatchPacket
 	 */
-	public function getCraftingDataPacket() : CraftingDataPacket{
+	public function getCraftingDataPacket() : BatchPacket{
 		if($this->craftingDataCache === null){
 			$this->buildCraftingDataCache();
 		}
@@ -230,7 +235,7 @@ class CraftingManager{
 		/** @var Item[] $row */
 		foreach($map as $y => $row){
 			foreach($row as $x => $item){
-				$item = clone $item;
+				$map[$y][$x] = clone $item;
 			}
 		}
 
diff --git a/src/pocketmine/inventory/MultiRecipe.php b/src/pocketmine/inventory/MultiRecipe.php
index 453e77f63..c63cbbb1e 100644
--- a/src/pocketmine/inventory/MultiRecipe.php
+++ b/src/pocketmine/inventory/MultiRecipe.php
@@ -26,6 +26,14 @@ namespace pocketmine\inventory;
 use pocketmine\utils\UUID;
 
 class MultiRecipe{
+	const TYPE_REPAIR_ITEM = "00000000-0000-0000-0000-000000000001";
+	const TYPE_MAP_EXTENDING = "D392B075-4BA1-40AE-8789-AF868D56F6CE";
+	const TYPE_MAP_CLONING = "85939755-BA10-4D9D-A4CC-EFB7A8E943C4";
+	const TYPE_MAP_UPGRADING = "AECD2294-4B94-434B-8667-4499BB2C9327";
+	const TYPE_BOOK_CLONING = "D1CA6B84-338E-4F2F-9C6B-76CC8B4BD98D";
+	const TYPE_BANNER_DUPLICATE = "B5C5D105-75A2-4076-AF2B-923EA2BF4BF0";
+	const TYPE_BANNER_ADD_PATTERN = "D81AAEAF-E172-4440-9225-868DF030D27B";
+	const TYPE_FIREWORKS = "00000000-0000-0000-0000-000000000002";
 
 	private $uuid;
 
diff --git a/src/pocketmine/level/Explosion.php b/src/pocketmine/level/Explosion.php
index 604eba574..7bc6d53e0 100644
--- a/src/pocketmine/level/Explosion.php
+++ b/src/pocketmine/level/Explosion.php
@@ -211,7 +211,7 @@ class Explosion{
 
 			$this->level->setBlockIdAt($block->x, $block->y, $block->z, 0);
 
-			$t = $this->level->getTile($block);
+			$t = $this->level->getTileAt($block->x, $block->y, $block->z);
 			if($t instanceof Tile){
 				if($yieldDrops and $t instanceof Container){
 					if($t instanceof Chest){
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index 1db236ca1..47a029651 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -1962,17 +1962,33 @@ class Level implements ChunkManager, Metadatable{
 	}
 
 	/**
-	 * Returns the Tile in a position, or null if not found
+	 * Returns the Tile in a position, or null if not found.
+	 *
+	 * Note: This method wraps getTileAt(). If you're guaranteed to be passing integers, and you're using this method
+	 * in performance-sensitive code, consider using getTileAt() instead of this method for better performance.
 	 *
 	 * @param Vector3 $pos
 	 *
 	 * @return Tile|null
 	 */
-	public function getTile(Vector3 $pos){
-		$chunk = $this->getChunk($pos->x >> 4, $pos->z >> 4, false);
+	public function getTile(Vector3 $pos) : ?Tile{
+		return $this->getTileAt((int) floor($pos->x), (int) floor($pos->y), (int) floor($pos->z));
+	}
+
+	/**
+	 * Returns the tile at the specified x,y,z coordinates, or null if it does not exist.
+	 *
+	 * @param int $x
+	 * @param int $y
+	 * @param int $z
+	 *
+	 * @return Tile|null
+	 */
+	public function getTileAt(int $x, int $y, int $z) : ?Tile{
+		$chunk = $this->getChunk($x >> 4, $z >> 4);
 
 		if($chunk !== null){
-			return $chunk->getTile($pos->x & 0x0f, $pos->y, $pos->z & 0x0f);
+			return $chunk->getTile($x & 0x0f, $y, $z & 0x0f);
 		}
 
 		return null;
diff --git a/src/pocketmine/level/format/io/region/Anvil.php b/src/pocketmine/level/format/io/region/Anvil.php
index 5e21170bf..7e7268a04 100644
--- a/src/pocketmine/level/format/io/region/Anvil.php
+++ b/src/pocketmine/level/format/io/region/Anvil.php
@@ -54,13 +54,9 @@ class Anvil extends McRegion{
 			if($subChunk->isEmpty()){
 				continue;
 			}
-			$nbt->Sections[++$subChunks] = new CompoundTag("", [
-				new ByteTag("Y", $y),
-				new ByteArrayTag("Blocks", ChunkUtils::reorderByteArray($subChunk->getBlockIdArray())), //Generic in-memory chunks are currently always XZY
-				new ByteArrayTag("Data", ChunkUtils::reorderNibbleArray($subChunk->getBlockDataArray())),
-				new ByteArrayTag("SkyLight", ChunkUtils::reorderNibbleArray($subChunk->getBlockSkyLightArray(), "\xff")),
-				new ByteArrayTag("BlockLight", ChunkUtils::reorderNibbleArray($subChunk->getBlockLightArray()))
-			]);
+			$tag = $this->serializeSubChunk($subChunk);
+			$tag->setByte("Y", $y);
+			$nbt->Sections[++$subChunks] = $tag;
 		}
 
 		$nbt->Biomes = new ByteArrayTag("Biomes", $chunk->getBiomeIdArray());
@@ -94,6 +90,15 @@ class Anvil extends McRegion{
 		return $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
 	}
 
+	protected function serializeSubChunk(SubChunk $subChunk) : CompoundTag{
+		return new CompoundTag("", [
+			new ByteArrayTag("Blocks", ChunkUtils::reorderByteArray($subChunk->getBlockIdArray())), //Generic in-memory chunks are currently always XZY
+			new ByteArrayTag("Data", ChunkUtils::reorderNibbleArray($subChunk->getBlockDataArray())),
+			new ByteArrayTag("SkyLight", ChunkUtils::reorderNibbleArray($subChunk->getBlockSkyLightArray(), "\xff")),
+			new ByteArrayTag("BlockLight", ChunkUtils::reorderNibbleArray($subChunk->getBlockLightArray()))
+		]);
+	}
+
 	public function nbtDeserialize(string $data){
 		$nbt = new NBT(NBT::BIG_ENDIAN);
 		try{
@@ -111,12 +116,7 @@ class Anvil extends McRegion{
 			if($chunk->Sections instanceof ListTag){
 				foreach($chunk->Sections as $subChunk){
 					if($subChunk instanceof CompoundTag){
-						$subChunks[$subChunk->Y->getValue()] = new SubChunk(
-							ChunkUtils::reorderByteArray($subChunk->Blocks->getValue()),
-							ChunkUtils::reorderNibbleArray($subChunk->Data->getValue()),
-							ChunkUtils::reorderNibbleArray($subChunk->SkyLight->getValue(), "\xff"),
-							ChunkUtils::reorderNibbleArray($subChunk->BlockLight->getValue())
-						);
+						$subChunks[$subChunk->Y->getValue()] = $this->deserializeSubChunk($subChunk);
 					}
 				}
 			}
@@ -148,6 +148,15 @@ class Anvil extends McRegion{
 		}
 	}
 
+	protected function deserializeSubChunk(CompoundTag $subChunk) : SubChunk{
+		return new SubChunk(
+			ChunkUtils::reorderByteArray($subChunk->Blocks->getValue()),
+			ChunkUtils::reorderNibbleArray($subChunk->Data->getValue()),
+			ChunkUtils::reorderNibbleArray($subChunk->SkyLight->getValue(), "\xff"),
+			ChunkUtils::reorderNibbleArray($subChunk->BlockLight->getValue())
+		);
+	}
+
 	public static function getProviderName() : string{
 		return "anvil";
 	}
diff --git a/src/pocketmine/level/format/io/region/PMAnvil.php b/src/pocketmine/level/format/io/region/PMAnvil.php
index 10e436ae2..6e7cef20d 100644
--- a/src/pocketmine/level/format/io/region/PMAnvil.php
+++ b/src/pocketmine/level/format/io/region/PMAnvil.php
@@ -40,108 +40,22 @@ class PMAnvil extends Anvil{
 
 	const REGION_FILE_EXTENSION = "mcapm";
 
-	public function nbtSerialize(Chunk $chunk) : string{
-		$nbt = new CompoundTag("Level", []);
-		$nbt->xPos = new IntTag("xPos", $chunk->getX());
-		$nbt->zPos = new IntTag("zPos", $chunk->getZ());
-
-		$nbt->V = new ByteTag("V", 1);
-		$nbt->LastUpdate = new LongTag("LastUpdate", 0); //TODO
-		$nbt->InhabitedTime = new LongTag("InhabitedTime", 0); //TODO
-		$nbt->TerrainPopulated = new ByteTag("TerrainPopulated", $chunk->isPopulated() ? 1 : 0);
-		$nbt->LightPopulated = new ByteTag("LightPopulated", $chunk->isLightPopulated() ? 1 : 0);
-
-		$nbt->Sections = new ListTag("Sections", [], NBT::TAG_Compound);
-
-		$subChunks = -1;
-		foreach($chunk->getSubChunks() as $y => $subChunk){
-			if($subChunk->isEmpty()){
-				continue;
-			}
-			$nbt->Sections[++$subChunks] = new CompoundTag("", [
-				new ByteTag("Y", $y),
-				new ByteArrayTag("Blocks",     $subChunk->getBlockIdArray()),
-				new ByteArrayTag("Data",       $subChunk->getBlockDataArray()),
-				new ByteArrayTag("SkyLight",   $subChunk->getBlockSkyLightArray()),
-				new ByteArrayTag("BlockLight", $subChunk->getBlockLightArray())
-			]);
-		}
-
-		$nbt->Biomes = new ByteArrayTag("Biomes", $chunk->getBiomeIdArray());
-		$nbt->HeightMap = new IntArrayTag("HeightMap", $chunk->getHeightMapArray());
-
-		$entities = [];
-
-		foreach($chunk->getEntities() as $entity){
-			if($entity->canSaveWithChunk() and !$entity->isClosed()){
-				$entity->saveNBT();
-				$entities[] = $entity->namedtag;
-			}
-		}
-
-		$nbt->Entities = new ListTag("Entities", $entities, NBT::TAG_Compound);
-
-		$tiles = [];
-		foreach($chunk->getTiles() as $tile){
-			$tile->saveNBT();
-			$tiles[] = $tile->namedtag;
-		}
-
-		$nbt->TileEntities = new ListTag("TileEntities", $tiles, NBT::TAG_Compound);
-
-		//TODO: TileTicks
-
-		$writer = new NBT(NBT::BIG_ENDIAN);
-		$nbt->setName("Level");
-		$writer->setData(new CompoundTag("", [$nbt]));
-
-		return $writer->writeCompressed(ZLIB_ENCODING_DEFLATE, RegionLoader::$COMPRESSION_LEVEL);
+	protected function serializeSubChunk(SubChunk $subChunk) : CompoundTag{
+		return new CompoundTag("", [
+			new ByteArrayTag("Blocks",     $subChunk->getBlockIdArray()),
+			new ByteArrayTag("Data",       $subChunk->getBlockDataArray()),
+			new ByteArrayTag("SkyLight",   $subChunk->getBlockSkyLightArray()),
+			new ByteArrayTag("BlockLight", $subChunk->getBlockLightArray())
+		]);
 	}
 
-	public function nbtDeserialize(string $data){
-		$nbt = new NBT(NBT::BIG_ENDIAN);
-		try{
-			$nbt->readCompressed($data);
-
-			$chunk = $nbt->getData();
-
-			if(!isset($chunk->Level) or !($chunk->Level instanceof CompoundTag)){
-				throw new ChunkException("Invalid NBT format");
-			}
-
-			$chunk = $chunk->Level;
-
-			$subChunks = [];
-			if($chunk->Sections instanceof ListTag){
-				foreach($chunk->Sections as $subChunk){
-					if($subChunk instanceof CompoundTag){
-						$subChunks[$subChunk->Y->getValue()] = new SubChunk(
-							$subChunk->Blocks->getValue(),
-							$subChunk->Data->getValue(),
-							$subChunk->SkyLight->getValue(),
-							$subChunk->BlockLight->getValue()
-						);
-					}
-				}
-			}
-
-			$result = new Chunk(
-				$chunk["xPos"],
-				$chunk["zPos"],
-				$subChunks,
-				isset($chunk->Entities) ? $chunk->Entities->getValue() : [],
-				isset($chunk->TileEntities) ? $chunk->TileEntities->getValue() : [],
-				isset($chunk->Biomes) ? $chunk->Biomes->getValue() : "",
-				isset($chunk->HeightMap) ? $chunk->HeightMap->getValue() : []
-			);
-			$result->setLightPopulated(isset($chunk->LightPopulated) ? ((bool) $chunk->LightPopulated->getValue()) : false);
-			$result->setPopulated(isset($chunk->TerrainPopulated) ? ((bool) $chunk->TerrainPopulated->getValue()) : false);
-			$result->setGenerated(true);
-			return $result;
-		}catch(\Throwable $e){
-			MainLogger::getLogger()->logException($e);
-			return null;
-		}
+	protected function deserializeSubChunk(CompoundTag $subChunk) : SubChunk{
+		return new SubChunk(
+			$subChunk->Blocks->getValue(),
+			$subChunk->Data->getValue(),
+			$subChunk->SkyLight->getValue(),
+			$subChunk->BlockLight->getValue()
+		);
 	}
 
 	public static function getProviderName() : string{
diff --git a/src/pocketmine/nbt/tag/CompoundTag.php b/src/pocketmine/nbt/tag/CompoundTag.php
index 3fdd4d5f6..496a3a55a 100644
--- a/src/pocketmine/nbt/tag/CompoundTag.php
+++ b/src/pocketmine/nbt/tag/CompoundTag.php
@@ -151,22 +151,24 @@ class CompoundTag extends NamedTag implements \ArrayAccess{
 
 	/**
 	 * Returns the value of the child tag with the specified name, or $default if the tag doesn't exist. If the child
-	 * tag is not of type $expectedType, an exception will be thrown.
+	 * tag is not of type $expectedType, an exception will be thrown, unless a default is given and $badTagDefault is
+	 * true.
 	 *
 	 * @param string $name
 	 * @param string $expectedClass
 	 * @param mixed  $default
+	 * @param bool   $badTagDefault Return the specified default if the tag is not of the expected type.
 	 *
 	 * @return mixed
 	 */
-	public function getTagValue(string $name, string $expectedClass, $default = null){
-		$tag = $this->getTag($name, $expectedClass);
-		if($tag !== null){
+	public function getTagValue(string $name, string $expectedClass, $default = null, bool $badTagDefault = false){
+		$tag = $this->getTag($name, $badTagDefault ? NamedTag::class : $expectedClass);
+		if($tag instanceof $expectedClass){
 			return $tag->getValue();
 		}
 
 		if($default === null){
-			throw new \RuntimeException("Tag with name \"$name\" not found and no default value given");
+			throw new \RuntimeException("Tag with name \"$name\" " . ($tag !== null ? "not of expected type" : "not found") . " and no valid default value given");
 		}
 
 		return $default;
@@ -179,91 +181,100 @@ class CompoundTag extends NamedTag implements \ArrayAccess{
 	/**
 	 * @param string   $name
 	 * @param int|null $default
+	 * @param bool     $badTagDefault
 	 *
 	 * @return int
 	 */
-	public function getByte(string $name, ?int $default = null) : int{
-		return $this->getTagValue($name, ByteTag::class, $default);
+	public function getByte(string $name, ?int $default = null, bool $badTagDefault = false) : int{
+		return $this->getTagValue($name, ByteTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string   $name
 	 * @param int|null $default
+	 * @param bool     $badTagDefault
 	 *
 	 * @return int
 	 */
-	public function getShort(string $name, ?int $default = null) : int{
-		return $this->getTagValue($name, ShortTag::class, $default);
+	public function getShort(string $name, ?int $default = null, bool $badTagDefault = false) : int{
+		return $this->getTagValue($name, ShortTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string   $name
 	 * @param int|null $default
+	 * @param bool     $badTagDefault
 	 *
 	 * @return int
 	 */
-	public function getInt(string $name, ?int $default = null) : int{
-		return $this->getTagValue($name, IntTag::class, $default);
+	public function getInt(string $name, ?int $default = null, bool $badTagDefault = false) : int{
+		return $this->getTagValue($name, IntTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string   $name
 	 * @param int|null $default
+	 * @param bool     $badTagDefault
 	 *
 	 * @return int
 	 */
-	public function getLong(string $name, ?int $default = null) : int{
-		return $this->getTagValue($name, LongTag::class, $default);
+	public function getLong(string $name, ?int $default = null, bool $badTagDefault = false) : int{
+		return $this->getTagValue($name, LongTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string     $name
 	 * @param float|null $default
+	 * @param bool       $badTagDefault
 	 *
 	 * @return float
 	 */
-	public function getFloat(string $name, ?float $default = null) : float{
-		return $this->getTagValue($name, FloatTag::class, $default);
+	public function getFloat(string $name, ?float $default = null, bool $badTagDefault = false) : float{
+		return $this->getTagValue($name, FloatTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string     $name
 	 * @param float|null $default
+	 * @param bool       $badTagDefault
 	 *
 	 * @return float
 	 */
-	public function getDouble(string $name, ?float $default = null) : float{
-		return $this->getTagValue($name, DoubleTag::class, $default);
+	public function getDouble(string $name, ?float $default = null, bool $badTagDefault = false) : float{
+		return $this->getTagValue($name, DoubleTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string      $name
-	 * @param null|string $default
+	 * @param string|null $default
+	 * @param bool        $badTagDefault
 	 *
 	 * @return string
 	 */
-	public function getByteArray(string $name, ?string $default = null) : string{
-		return $this->getTagValue($name, ByteArrayTag::class, $default);
+	public function getByteArray(string $name, ?string $default = null, bool $badTagDefault = false) : string{
+		return $this->getTagValue($name, ByteArrayTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string      $name
-	 * @param null|string $default
+	 * @param string|null $default
+	 * @param bool        $badTagDefault
 	 *
 	 * @return string
 	 */
-	public function getString(string $name, ?string $default = null) : string{
-		return $this->getTagValue($name, StringTag::class, $default);
+	public function getString(string $name, ?string $default = null, bool $badTagDefault = false) : string{
+		return $this->getTagValue($name, StringTag::class, $default, $badTagDefault);
 	}
 
 	/**
 	 * @param string     $name
 	 * @param int[]|null $default
+	 * @param bool       $badTagDefault
 	 *
 	 * @return int[]
 	 */
-	public function getIntArray(string $name, ?array $default = null) : array{
-		return $this->getTagValue($name, IntArrayTag::class, $default);
+	public function getIntArray(string $name, ?array $default = null, bool $badTagDefault = false) : array{
+		return $this->getTagValue($name, IntArrayTag::class, $default, $badTagDefault);
 	}
 
 	/**
@@ -273,11 +284,12 @@ class CompoundTag extends NamedTag implements \ArrayAccess{
 	 * @param string $name Name of the tag to set
 	 * @param string $tagClass Class that extends NamedTag
 	 * @param mixed  $value Value to set. This should be compatible with the specified tag type.
+	 * @param bool   $force Force set the value even if the existing tag is not the correct type (overwrite the old tag)
 	 */
-	public function setTagValue(string $name, string $tagClass, $value) : void{
+	public function setTagValue(string $name, string $tagClass, $value, bool $force) : void{
 		assert(is_a($tagClass, NamedTag::class, true));
-		$tag = $this->getTag($name, $tagClass);
-		if($tag !== null){
+		$tag = $this->getTag($name, $force ? NamedTag::class : $tagClass);
+		if($tag instanceof $tagClass){
 			$tag->setValue($value);
 		}else{
 			$this->setTag(new $tagClass($name, $value));
@@ -291,73 +303,82 @@ class CompoundTag extends NamedTag implements \ArrayAccess{
 	/**
 	 * @param string $name
 	 * @param int    $value
+	 * @param bool   $force
 	 */
-	public function setByte(string $name, int $value) : void{
-		$this->setTagValue($name, ByteTag::class, $value);
+	public function setByte(string $name, int $value, bool $force = false) : void{
+		$this->setTagValue($name, ByteTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param int    $value
+	 * @param bool   $force
 	 */
-	public function setShort(string $name, int $value) : void{
-		$this->setTagValue($name, ShortTag::class, $value);
+	public function setShort(string $name, int $value, bool $force = false) : void{
+		$this->setTagValue($name, ShortTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param int    $value
+	 * @param bool   $force
 	 */
-	public function setInt(string $name, int $value) : void{
-		$this->setTagValue($name, IntTag::class, $value);
+	public function setInt(string $name, int $value, bool $force = false) : void{
+		$this->setTagValue($name, IntTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param int    $value
+	 * @param bool   $force
 	 */
-	public function setLong(string $name, int $value) : void{
-		$this->setTagValue($name, LongTag::class, $value);
+	public function setLong(string $name, int $value, bool $force = false) : void{
+		$this->setTagValue($name, LongTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param float  $value
+	 * @param bool   $force
 	 */
-	public function setFloat(string $name, float $value) : void{
-		$this->setTagValue($name, FloatTag::class, $value);
+	public function setFloat(string $name, float $value, bool $force = false) : void{
+		$this->setTagValue($name, FloatTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param float  $value
+	 * @param bool   $force
 	 */
-	public function setDouble(string $name, float $value) : void{
-		$this->setTagValue($name, DoubleTag::class, $value);
+	public function setDouble(string $name, float $value, bool $force = false) : void{
+		$this->setTagValue($name, DoubleTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param string $value
+	 * @param bool   $force
 	 */
-	public function setByteArray(string $name, string $value) : void{
-		$this->setTagValue($name, ByteArrayTag::class, $value);
+	public function setByteArray(string $name, string $value, bool $force = false) : void{
+		$this->setTagValue($name, ByteArrayTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param string $value
+	 * @param bool   $force
 	 */
-	public function setString(string $name, string $value) : void{
-		$this->setTagValue($name, StringTag::class, $value);
+	public function setString(string $name, string $value, bool $force = false) : void{
+		$this->setTagValue($name, StringTag::class, $value, $force);
 	}
 
 	/**
 	 * @param string $name
 	 * @param int[]  $value
+	 * @param bool   $force
 	 */
-	public function setIntArray(string $name, array $value) : void{
-		$this->setTagValue($name, IntArrayTag::class, $value);
+	public function setIntArray(string $name, array $value, bool $force = false) : void{
+		$this->setTagValue($name, IntArrayTag::class, $value, $force);
 	}
 
 
diff --git a/src/pocketmine/network/mcpe/protocol/EntityPickRequestPacket.php b/src/pocketmine/network/mcpe/protocol/EntityPickRequestPacket.php
index 323ddbb35..e893c7783 100644
--- a/src/pocketmine/network/mcpe/protocol/EntityPickRequestPacket.php
+++ b/src/pocketmine/network/mcpe/protocol/EntityPickRequestPacket.php
@@ -31,17 +31,17 @@ class EntityPickRequestPacket extends DataPacket{
 	const NETWORK_ID = ProtocolInfo::ENTITY_PICK_REQUEST_PACKET;
 
 	/** @var int */
-	public $entityTypeId;
+	public $entityUniqueId;
 	/** @var int */
 	public $hotbarSlot;
 
 	protected function decodePayload(){
-		$this->entityTypeId = $this->getLLong();
+		$this->entityUniqueId = $this->getLLong();
 		$this->hotbarSlot = $this->getByte();
 	}
 
 	protected function encodePayload(){
-		$this->putLLong($this->entityTypeId);
+		$this->putLLong($this->entityUniqueId);
 		$this->putByte($this->hotbarSlot);
 	}
 
diff --git a/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php b/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
index 9caeac76f..e71e9fba9 100644
--- a/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
+++ b/src/pocketmine/network/mcpe/protocol/types/WindowTypes.php
@@ -45,5 +45,6 @@ interface WindowTypes{
 	const STRUCTURE_EDITOR = 14;
 	const TRADING = 15;
 	const COMMAND_BLOCK = 16;
+	const JUKEBOX = 17;
 
 }
\ No newline at end of file
diff --git a/src/pocketmine/tile/Bed.php b/src/pocketmine/tile/Bed.php
index fb1351f72..6c241f9b9 100644
--- a/src/pocketmine/tile/Bed.php
+++ b/src/pocketmine/tile/Bed.php
@@ -35,8 +35,8 @@ class Bed extends Spawnable{
 	const TAG_COLOR = "color";
 
 	public function __construct(Level $level, CompoundTag $nbt){
-		if(!$nbt->hasTag(self::TAG_COLOR, ByteTag::class)){
-			$nbt->setTag(new ByteTag(self::TAG_COLOR, 14)); //default to old red
+		if(!$nbt->hasTag(self::TAG_COLOR, ByteTag::class)){ //TODO: check PC format
+			$nbt->setByte(self::TAG_COLOR, 14, true); //default to old red
 		}
 		parent::__construct($level, $nbt);
 	}
diff --git a/src/pocketmine/tile/Chest.php b/src/pocketmine/tile/Chest.php
index a97760a4e..8f2a01a3b 100644
--- a/src/pocketmine/tile/Chest.php
+++ b/src/pocketmine/tile/Chest.php
@@ -136,7 +136,7 @@ class Chest extends Spawnable implements InventoryHolder, Container, Nameable{
 	 */
 	public function getPair() : ?Chest{
 		if($this->isPaired()){
-			$tile = $this->getLevel()->getTile(new Vector3($this->namedtag->getInt(self::TAG_PAIRX), $this->y, $this->namedtag->getInt(self::TAG_PAIRZ)));
+			$tile = $this->getLevel()->getTileAt($this->namedtag->getInt(self::TAG_PAIRX), $this->y, $this->namedtag->getInt(self::TAG_PAIRZ));
 			if($tile instanceof Chest){
 				return $tile;
 			}
@@ -152,8 +152,8 @@ class Chest extends Spawnable implements InventoryHolder, Container, Nameable{
 
 		$this->createPair($tile);
 
-		$this->spawnToAll();
-		$tile->spawnToAll();
+		$this->onChanged();
+		$tile->onChanged();
 		$this->checkPairing();
 
 		return true;
@@ -175,12 +175,12 @@ class Chest extends Spawnable implements InventoryHolder, Container, Nameable{
 		$tile = $this->getPair();
 		$this->namedtag->removeTag(self::TAG_PAIRX, self::TAG_PAIRZ);
 
-		$this->spawnToAll();
+		$this->onChanged();
 
 		if($tile instanceof Chest){
 			$tile->namedtag->removeTag(self::TAG_PAIRX, self::TAG_PAIRZ);
 			$tile->checkPairing();
-			$tile->spawnToAll();
+			$tile->onChanged();
 		}
 		$this->checkPairing();
 
diff --git a/src/pocketmine/tile/FlowerPot.php b/src/pocketmine/tile/FlowerPot.php
index 0ae6a58dd..7dc3fad36 100644
--- a/src/pocketmine/tile/FlowerPot.php
+++ b/src/pocketmine/tile/FlowerPot.php
@@ -37,11 +37,12 @@ class FlowerPot extends Spawnable{
 	const TAG_ITEM_DATA = "mData";
 
 	public function __construct(Level $level, CompoundTag $nbt){
+		//TODO: check PC format
 		if(!$nbt->hasTag(self::TAG_ITEM, ShortTag::class)){
-			$nbt->setTag(new ShortTag(self::TAG_ITEM, 0));
+			$nbt->setShort(self::TAG_ITEM, 0, true);
 		}
 		if(!$nbt->hasTag(self::TAG_ITEM_DATA, IntTag::class)){
-			$nbt->setTag(new IntTag(self::TAG_ITEM_DATA, 0));
+			$nbt->setInt(self::TAG_ITEM_DATA, 0, true);
 		}
 		parent::__construct($level, $nbt);
 	}
diff --git a/src/pocketmine/tile/Furnace.php b/src/pocketmine/tile/Furnace.php
index 91289501c..a0f9a1b73 100644
--- a/src/pocketmine/tile/Furnace.php
+++ b/src/pocketmine/tile/Furnace.php
@@ -54,7 +54,7 @@ class Furnace extends Spawnable implements InventoryHolder, Container, Nameable{
 
 	public function __construct(Level $level, CompoundTag $nbt){
 		if(!$nbt->hasTag(self::TAG_BURN_TIME, ShortTag::class) or $nbt->getShort(self::TAG_BURN_TIME) < 0){
-			$nbt->setTag(new ShortTag(self::TAG_BURN_TIME, 0));
+			$nbt->setShort(self::TAG_BURN_TIME, 0, true);
 		}
 
 		if(
@@ -62,16 +62,16 @@ class Furnace extends Spawnable implements InventoryHolder, Container, Nameable{
 			$nbt->getShort(self::TAG_COOK_TIME) < 0 or
 			($nbt->getShort(self::TAG_BURN_TIME) === 0 and $nbt->getShort(self::TAG_COOK_TIME) > 0)
 		){
-			$nbt->setTag(new ShortTag(self::TAG_COOK_TIME, 0));
+			$nbt->setShort(self::TAG_COOK_TIME, 0, true);
 		}
 
 		if(!$nbt->hasTag(self::TAG_MAX_TIME, ShortTag::class)){
-			$nbt->setTag(new ShortTag(self::TAG_MAX_TIME, $nbt->getShort(self::TAG_BURN_TIME)));
+			$nbt->setShort(self::TAG_MAX_TIME, $nbt->getShort(self::TAG_BURN_TIME), true);
 			$nbt->removeTag(self::TAG_BURN_TICKS);
 		}
 
 		if(!$nbt->getTag(self::TAG_BURN_TICKS, ShortTag::class)){
-			$nbt->setTag(new ShortTag(self::TAG_BURN_TICKS, 0));
+			$nbt->setShort(self::TAG_BURN_TICKS, 0, true);
 		}
 
 		parent::__construct($level, $nbt);
diff --git a/src/pocketmine/tile/ItemFrame.php b/src/pocketmine/tile/ItemFrame.php
index 5c6e3396e..6bf003e7c 100644
--- a/src/pocketmine/tile/ItemFrame.php
+++ b/src/pocketmine/tile/ItemFrame.php
@@ -39,11 +39,11 @@ class ItemFrame extends Spawnable{
 
 	public function __construct(Level $level, CompoundTag $nbt){
 		if(!$nbt->hasTag(self::TAG_ITEM_ROTATION, ByteTag::class)){
-			$nbt->setTag(new ByteTag(self::TAG_ITEM_ROTATION, 0));
+			$nbt->setByte(self::TAG_ITEM_ROTATION, 0, true);
 		}
 
 		if(!$nbt->hasTag(self::TAG_ITEM_DROP_CHANCE, FloatTag::class)){
-			$nbt->setTag(new FloatTag(self::TAG_ITEM_DROP_CHANCE, 1.0));
+			$nbt->setFloat(self::TAG_ITEM_DROP_CHANCE, 1.0, true);
 		}
 
 		parent::__construct($level, $nbt);
diff --git a/src/pocketmine/tile/Skull.php b/src/pocketmine/tile/Skull.php
index fa6b30c1e..891b8cbb3 100644
--- a/src/pocketmine/tile/Skull.php
+++ b/src/pocketmine/tile/Skull.php
@@ -38,15 +38,17 @@ class Skull extends Spawnable{
 	const TYPE_CREEPER = 4;
 	const TYPE_DRAGON = 5;
 
-	const TAG_SKULL_TYPE = "SkullType";
-	const TAG_ROT = "Rot";
+	const TAG_SKULL_TYPE = "SkullType"; //TAG_Byte
+	const TAG_ROT = "Rot"; //TAG_Byte
+	const TAG_MOUTH_MOVING = "MouthMoving"; //TAG_Byte
+	const TAG_MOUTH_TICK_COUNT = "MouthTickCount"; //TAG_Int
 
 	public function __construct(Level $level, CompoundTag $nbt){
 		if(!$nbt->hasTag(self::TAG_SKULL_TYPE, ByteTag::class)){
-			$nbt->setTag(new ByteTag(self::TAG_SKULL_TYPE, 0));
+			$nbt->setByte(self::TAG_SKULL_TYPE, 0, true);
 		}
 		if(!$nbt->hasTag(self::TAG_ROT, ByteTag::class)){
-			$nbt->setTag(new ByteTag(self::TAG_ROT, 0));
+			$nbt->setByte(self::TAG_ROT, 0, true);
 		}
 		parent::__construct($level, $nbt);
 	}
diff --git a/src/pocketmine/utils/Binary.php b/src/pocketmine/utils/Binary.php
index 5677549c7..ada1ac1b6 100644
--- a/src/pocketmine/utils/Binary.php
+++ b/src/pocketmine/utils/Binary.php
@@ -164,8 +164,7 @@ class Binary{
 	/**
 	 * Reads a 16-bit signed little-endian number
 	 *
-	 * @param      $str
-	 *
+	 * @param string $str
 	 * @return int
 	 */
 	public static function readSignedLShort(string $str) : int{
@@ -175,8 +174,7 @@ class Binary{
 	/**
 	 * Writes a 16-bit signed/unsigned little-endian number
 	 *
-	 * @param $value
-	 *
+	 * @param int $value
 	 * @return string
 	 */
 	public static function writeLShort(int $value) : string{
@@ -379,12 +377,11 @@ class Binary{
 	/**
 	 * Reads an 8-byte integer.
 	 *
-	 * @param string $x
+	 * @param string $str
 	 * @return int
 	 */
-	public static function readLong(string $x) : int{
-		$int = unpack("N*", $x);
-		return ($int[1] << 32) | $int[2];
+	public static function readLong(string $str) : int{
+		return unpack("J", $str)[1];
 	}
 
 	/**
@@ -394,7 +391,7 @@ class Binary{
 	 * @return string
 	 */
 	public static function writeLong(int $value) : string{
-		return pack("NN", $value >> 32, $value & 0xFFFFFFFF);
+		return pack("J", $value);
 	}
 
 	/**
@@ -404,7 +401,7 @@ class Binary{
 	 * @return int
 	 */
 	public static function readLLong(string $str) : int{
-		return self::readLong(strrev($str));
+		return unpack("P", $str)[1];
 	}
 
 	/**
@@ -414,7 +411,7 @@ class Binary{
 	 * @return string
 	 */
 	public static function writeLLong(int $value) : string{
-		return strrev(self::writeLong($value));
+		return pack("P", $value);
 	}
 
 
diff --git a/src/pocketmine/utils/Config.php b/src/pocketmine/utils/Config.php
index 9831e7465..5075a7ac2 100644
--- a/src/pocketmine/utils/Config.php
+++ b/src/pocketmine/utils/Config.php
@@ -342,7 +342,7 @@ class Config{
 		}
 
 		$base = $value;
-		$this->nestedCache[$key] = $value;
+		$this->nestedCache = [];
 	}
 
 	/**
@@ -376,6 +376,26 @@ class Config{
 		return $this->nestedCache[$key] = $base;
 	}
 
+	public function removeNested(string $key) : void{
+		$this->nestedCache = [];
+
+		$vars = explode(".", $key);
+
+		$currentNode =& $this->config;
+		while(count($vars) > 0){
+			$nodeName = array_shift($vars);
+			if(isset($currentNode[$nodeName])){
+				if(empty($vars)){ //final node
+					unset($currentNode[$nodeName]);
+				}elseif(is_array($currentNode[$nodeName])){
+					$currentNode =& $currentNode[$nodeName];
+				}
+			}else{
+				break;
+			}
+		}
+	}
+
 	/**
 	 * @param       $k
 	 * @param mixed $default
diff --git a/src/pocketmine/utils/MainLogger.php b/src/pocketmine/utils/MainLogger.php
index 8e97d6104..0f9426a27 100644
--- a/src/pocketmine/utils/MainLogger.php
+++ b/src/pocketmine/utils/MainLogger.php
@@ -119,6 +119,10 @@ class MainLogger extends \AttachableThreadedLogger{
 		$this->logDebug = $logDebug;
 	}
 
+	/**
+	 * @param \Throwable $e
+	 * @param array|null $trace
+	 */
 	public function logException(\Throwable $e, $trace = null){
 		if($trace === null){
 			$trace = $e->getTrace();
diff --git a/src/raklib b/src/raklib
index 9142e7dec..a10881b00 160000
--- a/src/raklib
+++ b/src/raklib
@@ -1 +1 @@
-Subproject commit 9142e7decec23b302ab470a55e5ed160df4878db
+Subproject commit a10881b0078559f646b570a12304dba71658357c
diff --git a/tests/plugins/PocketMine-DevTools b/tests/plugins/PocketMine-DevTools
index 4e28d74c9..3446bcc77 160000
--- a/tests/plugins/PocketMine-DevTools
+++ b/tests/plugins/PocketMine-DevTools
@@ -1 +1 @@
-Subproject commit 4e28d74c9aafdf51b10bc274ddcf78fcb3b317d4
+Subproject commit 3446bcc774bcc278430e2cecd9d46a47f491656f