Traveler's Backpack: Stack Upgrade
by EmBy_
Traveler's Backpack: Stack Upgrade is an addon for Traveler's Backpack that raises the stack limits of backpack upgrades.
What it does
The addon adds upgrade stack items that go beyond the usual 64-item limit, increasing stack sizes by 400 percent. It requires Traveler's Backpack to be installed alongside it, and it runs on client and server, so both the server and every player need it. The latest Fabric file is 1.1.0 for 1.21.1, published 2026-08-06, and the code is not open source, released as All rights reserved.
Key features
Larger upgrade stacks
Upgrade stacks hold up to 400 percent more items than the default limit of 64.
Netherite crafting recipe
Crafting a stack upgrade takes Netherite ingots and Netherite blocks, combined with a blank upgrade.
Room for future upgrades
The author plans to add more stack upgrades in later releases.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Questions
Does Traveler's Backpack: Stack Upgrade need Traveler's Backpack?
In the catalog
Traveler's Backpack: Stack Upgrade is one of 4,058 Storage mods on ModsFinder, and one of 2,474 Storage mods for Fabric. 32,366 mods support Minecraft 1.21.1.
More from EmBy_
Similar mods
What the author says
This mod adds the Stack Upgrade, which increases stack limits by 400%. Crafting requires Netherite ingots, Netherite blocks, and a blank upgrade.
Official listing
- Modrinth page
- modrinth.com/mod/travelers-backpack-stack-upgrade
- Owner
- EmBy_
- Published
- 2026-08-06
- Updated on Modrinth
- 2026-08-06
- Facts verified
- 2026-10-15