diff --git a/pom.xml b/pom.xml
index 1c56c67..e79b9fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
     <groupId>dev.lone</groupId>
     <artifactId>api-itemsadder</artifactId>
-    <version>3.5.0c-r5</version>
+    <version>3.6.1</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/dev/lone/itemsadder/api/CustomFurniture.java b/src/main/java/dev/lone/itemsadder/api/CustomFurniture.java
index c510317..ebef472 100644
--- a/src/main/java/dev/lone/itemsadder/api/CustomFurniture.java
+++ b/src/main/java/dev/lone/itemsadder/api/CustomFurniture.java
@@ -1,5 +1,6 @@
 package dev.lone.itemsadder.api;
 
+import org.bukkit.Color;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
@@ -123,6 +124,47 @@ public void replaceFurniture(String newFurnitureNamespacedId)
         throw new NotActuallyItemsAdderException();
     }
 
+    /**
+     * Replace the model of this furniture with the model of another furniture.
+     *
+     * @param newFurnitureNamespacedId the namespace and ID of the new furniture model.
+     * @param color the new color of this furniture. Will apply only to naturally colorable items.
+     */
+    public void replaceFurniture(String newFurnitureNamespacedId, Color color)
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
+    /**
+     * Replace color of this furniture. Will apply only to naturally colorable items.
+     *
+     * @param color the new color of this furniture. Will apply only to naturally colorable items.
+     */
+    public void setColor(Color color)
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
+    /**
+     * Returns the original light level of this CustomFurniture.
+     *
+     * @return Integer representing the original light level of the CustomFurniture.
+     */
+    public int getOriginalLightLevel()
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
+    /**
+     * Sets the current light level for this CustomFurniture.
+     *
+     * @param level The light level to set for this CustomFurniture.
+     */
+    public void setCurrentLightLevel(int level)
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
     /**
      * Gets the Armor stand associated with this CustomFurniture.
      * <br>This may return null if the Armor stand is not yet spawned in the world.
diff --git a/src/main/java/dev/lone/itemsadder/api/CustomStack.java b/src/main/java/dev/lone/itemsadder/api/CustomStack.java
index eeffe22..e37662c 100644
--- a/src/main/java/dev/lone/itemsadder/api/CustomStack.java
+++ b/src/main/java/dev/lone/itemsadder/api/CustomStack.java
@@ -261,6 +261,16 @@ public void setDurability(int durability)
         throw new NotActuallyItemsAdderException();
     }
 
+    /**
+     * Sets the custom max durability of this CustomStack to the provided integer.
+     *
+     * @param maxDurability The max durability to set for this CustomStack.
+     */
+    public void setMaxDurability(int maxDurability)
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
     /**
      * Gets the maximum custom durability of this CustomStack.
      *
diff --git a/src/main/java/dev/lone/itemsadder/api/ItemsAdder.java b/src/main/java/dev/lone/itemsadder/api/ItemsAdder.java
index 86e2f15..980ec0c 100644
--- a/src/main/java/dev/lone/itemsadder/api/ItemsAdder.java
+++ b/src/main/java/dev/lone/itemsadder/api/ItemsAdder.java
@@ -237,6 +237,21 @@ public static ItemStack setCustomItemDurability(ItemStack item, int durability)
         throw new NotActuallyItemsAdderException();
     }
 
+    /**
+     * Please use {@link CustomStack} instead.
+     * <p>
+     * Set the custom durability of a custom item.
+     *
+     * @param item       Custom item.
+     * @param maxDurability Max durability to set.
+     * @return The modified ItemStack.
+     */
+    @Deprecated
+    public static ItemStack setCustomItemMaxDurability(ItemStack item, int maxDurability)
+    {
+        throw new NotActuallyItemsAdderException();
+    }
+
     /**
      * Please use {@link CustomStack} instead.
      * <p>