diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Ingredient.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Ingredient.java
index 8c758312c6..ae6031d7dd 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Ingredient.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Ingredient.java
@@ -20,7 +20,12 @@
 
 import com.github.retrooper.packetevents.protocol.item.ItemStack;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class Ingredient {
 
     private final ItemStack[] options;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Recipe.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Recipe.java
index b171c33926..87dc6c20d9 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Recipe.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/Recipe.java
@@ -22,7 +22,12 @@
 import com.github.retrooper.packetevents.protocol.recipe.data.RecipeData;
 import com.github.retrooper.packetevents.resources.ResourceLocation;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class Recipe<T extends RecipeData> {
 
     private final ResourceLocation key;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializer.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializer.java
index bfde499413..843222ff17 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializer.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializer.java
@@ -21,7 +21,12 @@
 import com.github.retrooper.packetevents.protocol.mapper.MappedEntity;
 import com.github.retrooper.packetevents.protocol.recipe.data.RecipeData;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public interface RecipeSerializer<T extends RecipeData> extends MappedEntity {
 
     @Deprecated
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializers.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializers.java
index 30f5525825..6c16f92be8 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializers.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/RecipeSerializers.java
@@ -40,6 +40,10 @@
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class RecipeSerializers {
 
     private static final Map<String, RecipeSerializer<?>> PATTERN_TYPE_MAP = new HashMap<>();
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/CookedRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/CookedRecipeData.java
index aa97f2aa9e..85babef818 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/CookedRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/CookedRecipeData.java
@@ -23,7 +23,12 @@
 import com.github.retrooper.packetevents.protocol.recipe.CookingCategory;
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class CookedRecipeData implements RecipeData {
 
     private final String group;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/RecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/RecipeData.java
index 3245030273..ee9cab0ba9 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/RecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/RecipeData.java
@@ -18,5 +18,11 @@
 
 package com.github.retrooper.packetevents.protocol.recipe.data;
 
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public interface RecipeData {
 }
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapedRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapedRecipeData.java
index 6dae3b14c9..d9e7b4f80a 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapedRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapedRecipeData.java
@@ -23,7 +23,12 @@
 import com.github.retrooper.packetevents.protocol.recipe.CraftingCategory;
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class ShapedRecipeData implements RecipeData {
 
     private final String group;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapelessRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapelessRecipeData.java
index aafbd37f09..f3c38eac74 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapelessRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/ShapelessRecipeData.java
@@ -23,7 +23,12 @@
 import com.github.retrooper.packetevents.protocol.recipe.CraftingCategory;
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class ShapelessRecipeData implements RecipeData {
 
     private final String group;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SimpleRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SimpleRecipeData.java
index 37c9a30b27..860cfe0205 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SimpleRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SimpleRecipeData.java
@@ -21,7 +21,12 @@
 import com.github.retrooper.packetevents.manager.server.ServerVersion;
 import com.github.retrooper.packetevents.protocol.recipe.CraftingCategory;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class SimpleRecipeData implements RecipeData {
 
     private final CraftingCategory category;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingRecipeData.java
index be14a5f97d..1250c15616 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingRecipeData.java
@@ -22,8 +22,13 @@
 import com.github.retrooper.packetevents.protocol.item.ItemStack;
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.UnknownNullability;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class SmithingRecipeData implements RecipeData {
 
     private final @UnknownNullability Ingredient template;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingTrimRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingTrimRecipeData.java
index 4b484096c1..de204f85dd 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingTrimRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/SmithingTrimRecipeData.java
@@ -20,7 +20,12 @@
 
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class SmithingTrimRecipeData implements RecipeData {
 
     private final Ingredient template;
diff --git a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/StoneCuttingRecipeData.java b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/StoneCuttingRecipeData.java
index 94471a9289..feeb8665a4 100644
--- a/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/StoneCuttingRecipeData.java
+++ b/api/src/main/java/com/github/retrooper/packetevents/protocol/recipe/data/StoneCuttingRecipeData.java
@@ -21,7 +21,12 @@
 import com.github.retrooper.packetevents.protocol.item.ItemStack;
 import com.github.retrooper.packetevents.protocol.recipe.Ingredient;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
+import org.jetbrains.annotations.ApiStatus;
 
+/**
+ * <strong>WARNING:</strong> No longer exists since 1.21.2, network recipe data was rewritten.
+ */
+@ApiStatus.Obsolete
 public class StoneCuttingRecipeData implements RecipeData {
 
     private final String group;