Inventory Stacks+

Inventory Stack Upgrade adds three craftable tiers that increase your personal inventory stack size to 256, 1024, or 4096. Works with any mod's items and containers. Requires NeoForge 1.21.1
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invstackupgrade-1.0.2.jar

File nameinvstackupgrade-1.0.2.jar
Uploader
MythsmosMythsmos
Uploaded
Oct 17, 2026
Downloads
12
Size
23.9 KB
Mod Loaders
NeoForge
File ID
9233739
Type
R
Release
Supported game versions
  • 1.21.1
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Curse Maven Snippet

NeoForge

implementation "curse.maven:inventory-stack-plus-1559779:9233739"

Learn more about Curse Maven

What's new

Inventory Stack Upgrade 1.0.2 — Expanded Item Stacking

  • Upgrades now work on items normally limited to fewer than 64 per stack, including items that normally stack to 16 or 1,  per request :)
  • With an upgrade equipped, matching items can stack up to 256, 1,024, or 4,096, depending on the upgrade tier.
  • Items must have matching data—including durability, enchantments, names, and potion contents—to stack together.
  • Added support for merging these items through pickups and inventory transfers.
  • Normal stack limits apply without an upgrade. Chest slots, armor equipment slots, and the upgrade slot retain their limits.
  • All inventory safety fixes from version 1.0.1 remain included.

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