craftbukkit/nms-patches/net/minecraft/world/item/crafting/RecipeItemStack.patch

--- a/net/minecraft/world/item/crafting/RecipeItemStack.java
+++ b/net/minecraft/world/item/crafting/RecipeItemStack.java
@@ -42,6 +42,24 @@
     private final HolderSet<Item> values;
     @Nullable
     private List<Holder<Item>> items;
+    // CraftBukkit start
+    @Nullable
+    private List<ItemStack> itemStacks;
+
+    public boolean isExact() {
+        return this.itemStacks != null;
+    }
+
+    public List<ItemStack> itemStacks() {
+        return this.itemStacks;
+    }
+
+    public static RecipeItemStack ofStacks(Stream<ItemStack> stacks) {
+        RecipeItemStack recipe = RecipeItemStack.of(stacks.map(ItemStack::getItem));
+        recipe.itemStacks = stacks.toList();
+        return recipe;
+    }
+    // CraftBukkit end
 
     private RecipeItemStack(HolderSet<Item> holderset) {
         holderset.unwrap().ifRight((list) -> {
@@ -72,6 +90,15 @@
     }
 
     public boolean test(ItemStack itemstack) {
+        // CraftBukkit start
+        if (this.isExact()) {
+            for (ItemStack itemstack1 : this.itemStacks()) {
+                if (itemstack1.getItem() == itemstack.getItem() && ItemStack.isSameItemSameComponents(itemstack, itemstack1)) {
+                    return true;
+                }
+            }
+        }
+        // CraftBukkit end
         List<Holder<Item>> list = this.items();
 
         for (int i = 0; i < list.size(); ++i) {
@@ -85,7 +112,7 @@
 
     public boolean equals(Object object) {
         if (object instanceof RecipeItemStack recipeitemstack) {
-            return Objects.equals(this.values, recipeitemstack.values);
+            return Objects.equals(this.values, recipeitemstack.values) && Objects.equals(this.itemStacks, recipeitemstack.itemStacks); // CraftBukkit
         } else {
             return false;
         }