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Overflow Backpack PREMIUM v26.5.1

Stop worrying about losing your items when your inventory is full. Overflow backpack is here for you

[Core / Free Features]​

  • Database:
    • Fixed an issue where items would not stack beyond 64 in the database when Infinite_Slots was enabled.
    • Added safety checks for item metadata during serialization to prevent NullPointerException.
    • Logic:
    • Improved hasReachedSlotLimit check to allow adding items to existing stacks even when they reach 64, provided Infinite_Slots is active.

[Premium Exclusive]​

  • Localization:
    • Material name localization is a Premium-exclusive feature.
    • Added MiniMessage_Localization setting in config.yml to toggle native item localization.
  • Added Russian translation.
  • Item names now support the <lang:key> tag, allowing names to be automatically translated into the player's client language.
  • Added automatic configuration migration for the new localization toggle.
  • GUI Improvements:
    • Fully refactored Main GUI and Filter GUI to support translatable components.
    • Enhanced ItemBuilder with Component support for display names.

[Premium Exclusive]​

  • Stability and Performance:
    • Fully compatible with the optimized "Claim All" system and new cooldown mechanisms.
    • Improved initialization sequence to avoid race conditions and NullPointerException errors.
  • Auto-Sell System Fixes:
    • Full synchronization of bridge methods for smooth operation between the Free and Premium versions.
  • Advanced Filtering System:
    • Fixed settings for notifications (setItemNotification) and automatic deletion (setItemDeletion) in the database.
    • Restored filtering GUI functionality (FilteredItemData) by correctly using the new item deserialization methods.
  • API & Bridge:
    • Updated the PremiumBridge interface to include new sell methods (sellAllItems, sellItem).
    • Added robust SQL exception handling in the bridge interface.
    • Synchronized Premium managers (PremiumProvider, PremiumManager) to ensure feature parity.
  • PlaceholderAPI:
    • Stabilized integration for displaying Sell/Delete mode status via placeholders.

[Core / Free Features]​

  • Claim System Improvements (Infinite Slots):
    • Fixed the 64-item limit during withdrawal: stackable items can now be fully withdrawn up to the inventory limit.
    • Restored "Left-click" behavior: automatically withdraws all items from the stack until the inventory is full.
    • Protection for non-stackable items: Left-click now withdraws only ONE item at a time (e.g., Enchanted Books) to prevent accidental inventory flooding.
  • Stability and Compatibility:
    • Implemented "bridge" methods to allow the Free version to run without errors, while ensuring support for the Premium plugin.
    • Synchronized version v26.4 across all modules and API documentation.
  • Performance Optimizations:
    • Significantly improved "Claim All" functionality by reducing database operations and redundant item deserialization.
    • Implemented a 1-second cooldown for the "Claim All" action to prevent server lag and potential crashes from spamming.
    • Optimized inventory space checks to skip processing when the player's inventory is full.
  • Bug Fixes:
    • Fixed %item% placeholder not parsing correctly in claim messages.
    • Unified and suppressed redundant chat messages and sounds during bulk "Claim All" operations.
    • Fixed a NullPointerException during plugin initialization by ensuring configuration files are loaded before premium feature checks.
    • Fixed the missing "Items" language key in message files, preventing the "The path items does not exist in your message file" error.
    • Refactored "Claim All" cooldown message to use the localized Wait_Cooldown key.
  • Claim System Fixes:
    • Fixed an issue where internal plugin NBT and GUI lore (e.g., "Left-click to claim") were remaining on items after they were claimed.
    • Added robust NBT/Lore stripping during item claims for both "Normal" and "Infinite Slots" modes.
  • Database & Stability:
    • Fixed a potential NBT leak where original items were modified during serialization. The plugin now uses item clones for internal database identifiers.
    • Improved removePersistentDataKey to more efficiently handle multiple internal keys (of-identifier and of-itemstack-type).
  • System:
    • Bumped version to 26.3 across all modules and API documentation.
  • GUI Improvements:
    • Fixed "Next" and "Back" page buttons not working in the main backpack GUI.
  • Claim System Fixes:
    • Fixed an issue where claiming items with a full inventory would display a "You claimed 0x..." message. Now, it correctly shows the "Full Inventory" message when no items can be claimed.
  • System:
    • Bumped version to 26.2 across all modules and API documentation.
  • Infinite Slots NBT Support:
    • Full NBT respect: Items are now grouped and stacked based on their complete metadata (Display Name, Lore, Enchants, etc.).
    • Prevented merging of distinct items with the same material (e.g., "Normal Wheat" vs "Premium Wheat").
    • Robust item comparison: Improved isSameItem to ignore plugin-specific internal data and temporary GUI lore.
  • Improved Claim System (Infinite Slots):
    • Removed 64-unit limit: Left-clicking an item now claims as many as can fit into your inventory at once.
    • Partial Claiming: If your inventory is full, the plugin correctly claims only what fits and leaves the rest in the backpack.
    • Accurate quantities: Fixed GUI summing issues where different NBT variants would show incorrect totals.
  • Full bStats Metrics Integration:
    • Implemented detailed bStats tracking with custom charts for all core features (Infinite Slots, Slot System, Block Compressor, etc.).
    • Added integration detection for Vault, PlaceholderAPI, Oraxen, and various Shop plugins (EconomyShopGUI, ShopGUIPlus, ExcellentShop).
    • Monitoring of backend state (SQLite/MySQL) and live player counts.
  • Performance & Reliability:
    • Optimized database merging logic to fill existing stacks more efficiently.
    • Improved spawner handling by grouping them by entity type.
    • Enhanced item deserialization to prevent potential GUI data corruption.
    • Changed the verison numeration to a more semantic versioning system
Overflow Backpack v1.14
  • Added API: Fully implemented the API provider system.
  • Added Action Sounds: Expanded BackpackFeature to include all new action sounds.
  • Added API Serialization: Implemented BackpackItem#getItemStack() via bridge.
  • Refactored Block Compressor:
    • Support for vanilla 9->1 recipes without external plugins.
    • Fixed bug where deleted/sold items were being compressed.
  • Native /compress command integration (permission-based: overflowbackpack.compress).
  • Added /of compress alias for easier access.
  • System Improvements: Standardized API lifecycle and synchronized versions to v1.14.

📜 Changelog​

🛠 Fixed​

  • Infinite Slots + WildStacker issues
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3,889 Views
37 Purchases
41 Downloads
Mar 15, 2024 Published
Apr 24, 2026 Updated
5.00 star(s)
Average rating (5)
1.8 MB File size
Open source
  1. No
DRM-free
  1. Yes
Unobfuscated
  1. Yes
Game mode
  1. Survival & SMP
  1. Skyblock
  1. Earth
Type
  1. Gameplay
  1. GUI
Game mode
  1. Survival
  1. Skyblock
  1. Earth
Game mode (legacy)
  1. Survival
  1. Skyblock
  1. Earth
Supported software
  1. Spigot
  1. Paper
Supported versions
  1. 1.21
  1. 1.20
Supported languages
  1. English
  1. Russian
  1. Turkish
  1. Italian
  1. Romanian
Includes DRM
No
Source access (legacy)
Closed source & unobfuscated
Creator
Owner
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Share and earn
Refer this resource and earn a 10% commission.
3,889 Views
37 Purchases
41 Downloads
Mar 15, 2024 Published
Apr 24, 2026 Updated
5.00 star(s)
Average rating (5)
1.8 MB File size
Open source
  1. No
DRM-free
  1. Yes
Unobfuscated
  1. Yes
Game mode
  1. Survival & SMP
  1. Skyblock
  1. Earth
Type
  1. Gameplay
  1. GUI
Game mode
  1. Survival
  1. Skyblock
  1. Earth
Game mode (legacy)
  1. Survival
  1. Skyblock
  1. Earth
Supported software
  1. Spigot
  1. Paper
Supported versions
  1. 1.21
  1. 1.20
Supported languages
  1. English
  1. Russian
  1. Turkish
  1. Italian
  1. Romanian
Includes DRM
No
Source access (legacy)
Closed source & unobfuscated
Creator
Owner
Recommended for you
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Not yet rated
4 purchases
The Ultimate Pass Engine (BattlePass)
Not yet rated
1 purchase
The Ultimate Mob-Economy Engine (MobCoins)
Not yet rated
0 purchases
#1 BuiltByBit Plugin ~ Protects your server from crash packet exploits ~ Folia Support
5.00 star(s) 141 ratings
4,192 purchases
Create items, blocks, mobs, emojis, and more with automatic resourcepack generation!
5.00 star(s) 53 ratings
3,137 purchases
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