diff --git a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/other/TEntityRendererElement.java b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/other/TEntityRendererElement.java
index 6ace13c..d6b8fad 100644
--- a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/other/TEntityRendererElement.java
+++ b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/other/TEntityRendererElement.java
@@ -26,7 +26,7 @@
 	protected boolean entityErrorState; //when true, entity won't render, and its name will render instead
 	
 	/** The cached center XY coordinates for rendering the {@link #entity}. <b>tY</b> is for text. */
-	protected int entityCenterX, entityCenterY, entityTextY;
+	protected int entityTextX, entityTextY;
 	/** The cached calculated size at which the entity will render. */
 	protected int entityDisplaySize;
 	// --------------------------------------------------
@@ -106,13 +106,12 @@ protected final void recalcCache_mobSize()
 	}
 	
 	/**
-	 * Recalculates the values of {@link #entityCenterX} and {@link #entityCenterY}.
+	 * Recalculates the values of {@link #entityTextX} and {@link #entityTextY}.
 	 */
 	protected final void recalcCache_cXY()
 	{
 		//calculate center XY
-		this.entityCenterX = (this.x + (this.width / 2));
-		this.entityCenterY = (getEndY() - (this.height / 4));
+		this.entityTextX = (this.x + (this.width / 2));
 		//calculate text Y for the entity name text
 		if(this.entityTypeName != null)
 		{
@@ -122,7 +121,7 @@ protected final void recalcCache_cXY()
 				(fh / 2) -
 				(this.entityTypeName.count() * fh);
 		}
-		else this.entityTextY = this.entityCenterY;
+		else this.entityTextY = (getEndY() - (this.height / 4));
 	}
 	// ==================================================
 	public @Virtual @Override void render(TDrawContext pencil)
@@ -133,7 +132,7 @@ protected final void recalcCache_cXY()
 		if(this.entityErrorState || this.entity == null)
 		{
 			if(this.entityTypeName != null)
-				this.entityTypeName.drawCenterWithShadow(pencil, this.entityCenterX, this.entityTextY);
+				this.entityTypeName.drawCenterWithShadow(pencil, this.entityTextX, this.entityTextY);
 			else pencil.drawTFill(TDrawContext.DEFAULT_ERROR_COLOR);
 			return;
 		}
diff --git a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/screen/explorer/TFileChooserScreen.java b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/screen/explorer/TFileChooserScreen.java
index 0d1295e..39e6815 100644
--- a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/screen/explorer/TFileChooserScreen.java
+++ b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/client/gui/screen/explorer/TFileChooserScreen.java
@@ -81,6 +81,7 @@ protected TFileChooserScreen(
 		this.parent = MC_CLIENT.currentScreen;
 		this.contentPane = new TFillColorElement(0, 0, 100, 100, /*-1771805596*/436207615)
 		{
+			public boolean isHoverable() { return true; }
 			public boolean input(TInputContext inputContext)
 			{
 				//only handle hovered and mouse LMB clicks
diff --git a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/network/packet/TCustomPayload.java b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/network/packet/TCustomPayload.java
index 986ad08..e5eb0ce 100644
--- a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/network/packet/TCustomPayload.java
+++ b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/api/network/packet/TCustomPayload.java
@@ -38,7 +38,7 @@ public final class TCustomPayload implements CustomPayload
 	public TCustomPayload(PacketByteBuf receivedPacketBuffer)
 	{
 		this(receivedPacketBuffer.readIdentifier(),
-			new PacketByteBuf(receivedPacketBuffer.readSlice(receivedPacketBuffer.readIntLE())));
+			new PacketByteBuf(receivedPacketBuffer.readBytes(receivedPacketBuffer.readIntLE())));
 	}
 	
 	/**
@@ -55,6 +55,17 @@ public TCustomPayload(Identifier packetDataID, PacketByteBuf packetData, boolean
 		this.packetData = Objects.requireNonNull(packetData);
 		this.closeOnWrite = closeOnWrite;
 	}
+	
+	@SuppressWarnings("deprecation")
+	protected final @Override void finalize() throws Throwable
+	{
+		//call super
+		super.finalize();
+		
+		//release packet data if not released, to avoid memory leaks
+		if(this.packetData.refCnt() > 0)
+			this.packetData.release();
+	}
 	// ==================================================
 	/**
 	 * @apiNote Not to be confused with {@link #id()}, aka {@link #ID}.
diff --git a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/network/TCDCommonsNetworkHandler.java b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/network/TCDCommonsNetworkHandler.java
index a37a202..b4d89bf 100644
--- a/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/network/TCDCommonsNetworkHandler.java
+++ b/tcdcommons-3-fabric-1.20.2/src/main/java/io/github/thecsdev/tcdcommons/network/TCDCommonsNetworkHandler.java
@@ -4,6 +4,8 @@
 
 import org.jetbrains.annotations.ApiStatus.Internal;
 
+import com.google.common.collect.ImmutableMap;
+
 import io.github.thecsdev.tcdcommons.TCDCommons;
 import io.github.thecsdev.tcdcommons.api.badge.PlayerBadge;
 import io.github.thecsdev.tcdcommons.api.badge.ServerPlayerBadgeHandler;
@@ -33,9 +35,13 @@ private TCDCommonsNetworkHandler() {}
 		/* because the vanilla game makes their maps immutable,
 		 * this here is created with the intent to override vanilla, and make the maps mutable
 		 */
-		//create new maps that are mutable
-		final var c2s = new HashMap<Identifier, PacketByteBuf.PacketReader<? extends CustomPayload>>();
-		final var s2c = new HashMap<Identifier, PacketByteBuf.PacketReader<? extends CustomPayload>>();
+		//obtain the maps and ensure they are mutable
+		final var ogC2S = AccessorCustomPayloadC2SPacket.getIdToReader();
+		final var ogS2C = AccessorCustomPayloadS2CPacket.getIdToReader();
+		final boolean immutable = (ogC2S instanceof ImmutableMap) || (ogS2C instanceof ImmutableMap);
+		
+		final var c2s = immutable ? new HashMap<Identifier, PacketByteBuf.PacketReader<? extends CustomPayload>>() : ogC2S;
+		final var s2c = immutable ? new HashMap<Identifier, PacketByteBuf.PacketReader<? extends CustomPayload>>() : ogS2C;
 		
 		//put vanilla and possibly modded entries into the new maps
 		c2s.putAll(AccessorCustomPayloadC2SPacket.getIdToReader());
@@ -46,8 +52,11 @@ private TCDCommonsNetworkHandler() {}
 		s2c.put(TCustomPayload.ID, TCustomPayload::new);
 		
 		//override vanilla's immutable maps
-		AccessorCustomPayloadC2SPacket.setIdToReader(c2s);
-		AccessorCustomPayloadS2CPacket.setIdToReader(s2c);
+		if(immutable)
+		{
+			AccessorCustomPayloadC2SPacket.setIdToReader(c2s);
+			AccessorCustomPayloadS2CPacket.setIdToReader(s2c);
+		}
 	}
 	// ==================================================
 	/**