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Stackable Items 64

Stackable Items 64 allows you to change the maximum stack size of items that normally cannot be stacked or have a limited stack size in Minecraft.

The mod supports configurable stack sizes for enchanted books, Totems of Undying, regular, splash, and lingering potions, boats, chest boats, all minecart variants, saddles, horse armor, music discs, banners, beds, empty shulker boxes, and any vanilla or modded item using its Registry ID.

Settings are available through a JSON configuration file and in-game commands. Changes are applied immediately without restarting the game or server and are automatically saved.

Features

• Configure stack sizes for enchanted books.
• Configure stack sizes for Totems of Undying.
• Configure stack sizes for regular, splash, and lingering potions.
• Configure stack sizes for boats and chest boats.
• Configure stack sizes for all minecart variants.
• Configure stack sizes for saddles and horse armor.
• Configure stack sizes for music discs, banners, beds, and empty shulker boxes.
• Configure custom stack sizes for any vanilla or modded item using its Registry ID.
• Automatic migration of older configuration files.
• Configuration validation and normalization during loading.
• Supports both single-player and dedicated servers.

The mod only stacks completely identical items. Items with different enchantments, potion effects, durability, custom names, NBT, or Data Components will never stack together. Filled shulker boxes are not considered empty and do not use the empty shulker box category settings.

When combining identical enchanted books, the anvil processes them in batches. Vanilla enchanting mechanics and experience costs remain unchanged. The mod only adjusts the number of resulting books and the number of books consumed.

Configuration

After the first launch, the following configuration file is created:

```text config/stackableitems64.json