MC Plugin ⚡ULTRA BACKPACKS ⚡[1.13–1.21.X] ~ The Ultimate Backpack System for Your Server 1.3.9

Unlock powerful storage & seamless selling — elevate your gameplay with style and ease!

Update 1.3.4
3rd August 2025

• Fixed rare issue when blocks were not added to backpack properly

Update 1.3.3
21st July 2025

• Updated dependencies to be compatible with 1.21.7 and 1.21.8
  • NBTAPI, XSeries

Update 1.3.2
18th July 2025

• Added 1.21.8 Support

Update 1.3.2
07/15/2025

• Updated UltraBackpacksAPI:
  • https://github.com/Drawethree/UltraBackpacksAPI/releases/tag/1.2.2
• Updated Ultra Backpacks to support latest API changes

Release Date: 07/12/2025

New Features

• Custom Model Data Support
  Added full support for custom_model_data in all GUI items and the backpack item itself!
  • You can now specify custom_model_data values directly in the config.yml.(Added there by default)
  • This enables full customization of item appearances using resource packs.

Release Date: July 1, 2025

What's New

• Expanded Compatibility: UltraBackpacks now officially supports Minecraft server versions 1.12 through 1.21.7!
  
  
• Java Update Required: The plugin now requires Java 17 or higher to run. Please ensure your server environment is updated accordingly.

Important Notes

• Servers running Java 8–16 will no longer be compatible.
• Features and performance optimizations have been enhanced for newer Minecraft versions.

Why This Matters
This update ensures UltraBackpacks stays future-proof and compatible with the latest Minecraft features while maintaining legacy support for older versions as far back as 1.12.

Dear customers,

we are sorry to announce that our discord support server has been breached. Individuals have banned / kicked half of the members and also deleted all of the channels / roles / tickets.

We have resolved these issues and we would like to apologize for the inconvenience.

As lot of users were banned / kicked, please make sure to join our Discord server again to gain your verification roles back.

Update 1.2.9
16th January 2023

• Added more permissions (old permissions are no longer working!)
  • ultrabackpacks.sellall - Permission to use /sellall command or do sell all via Backpack GUI.
  • ultrabackpacks.admin.reload - Admin permission to reload the plugin.
  • ultrabackpacks.admin.give - Admin permission to give backpacks.
  • ultrabackpacks.admin.remove - Admin permission to remove backpacks.
  • ultrabackpacks.use - Player permission to use a backpack
• Fixed issue with backpack lore placeholders when they were not replaced correctly
• Added support for base64 backpack item

Update 1.2.8
26th November 2022

• Added command to remove backpack from a player
  • /backpacks remove [player]

Update 1.2.7
22th August 2022

• Fixed few unchecked exceptions reported from users