ItemCheck [1.20 - 1.21] icon

ItemCheck [1.20 - 1.21] -----

Anti-dupe with NBT fingerprinting and packet analysis protection.




Detection Settings
  • Fixed Grace Period settings not saving to config
  • Fixed all settings not updating display after changes
  • Fixed settings using stale values instead of reading from config
  • Debug mode now properly saves to config
Transaction History
  • Fixed filter system (ALL, TRADE, CRAFT, DROP, PICKUP) not working
  • Filters now properly display filtered transactions
  • Active filter now shows with green highlight
Item Stacking System
  • Fixed tracked items not stacking in inventory (NBT issue)
  • Fixed dropped items not merging on ground
  • Manual stack merging now works with left/right-click
  • Shift-click stacking properly combines item IDs
  • Items from different slots now stack correctly
Player Management
  • Fixed search player feature not capturing chat input
  • Search now properly opens player profiles
----------, Oct 5, 2025

- Fixed: Dropping Item would not stack with tracked items
- Added: Full 1.20.x - 1.21.x server support
- Added: Automatic SpigotMC update checker
- Added: /antidupe version command for compatibility info
----------, Oct 4, 2025

- Fixed: Items weren't stacking due to anti-dupe tracking keys interfering with stack merge detection
----------, Oct 3, 2025

Particle Effects
- Added Visual particle effects now appear on flagged items during scans
- Added Three severity levels: Low (green), Medium (orange), High (red)
- Added Toggle on/off in Detection Settings GUI
- Added Configurable particle types in config.yml

Detection Weights Customization
- New GUI to customize confidence weights for all 17 detection types
- Fine-tune detection accuracy per flag type (0.00 to 1.00)
- Adjustable in increments of +0.05 or +0.10 (shift-click)
----------, Oct 3, 2025

Fixed an issue where items would stop stacking after the grace period ended
----------, Oct 2, 2025

Stacking System
- Fixed stackable items (ores, ingots, gems, etc.) not stacking properly in inventory
- Fixed items losing their tracking IDs when stacking together
- Fixed metadata comparison preventing legitimate items from combining

Detection System - Reduced False Positives
- Fixed DUPLICATE_ID false positives when mining from the same vein
- Fixed velocity checks incorrectly flagging normal mining activity
- Fixed grace period not working for new players joining the server
- Fixed detection confidence score calculation errors
- Fixed behavioral checks being too aggressive on legitimate gameplay

Mining & Item Drops
- Fixed duplicate ID generation when mining ore veins
- Fixed transaction logging creating duplicate records

Death Tracking
- Fixed death tracking only storing one ID per item type
- Fixed item recovery validation not working with stacked items

Improvements
- Increased detection thresholds to reduce false positives (90% confidence required)
- Improved grace period handling for new players
- Better stack ID management for all stackable items
- Enhanced vein tracking while maintaining unique item IDs
- More accurate velocity and behavior analysis

Also supports: Spanish, Chinese, Japanese, Russian
----------, Oct 1, 2025

Quarantine System
- Auto-quarantine suspicious items based on confidence scores
- GUI manager with sorting/filtering options
- Restore or destroy quarantined items
- /antidupe quarantine [player] command

Async Batch Scanner
- Multi-threaded inventory scanning
- Minimal server performance impact
- /antidupe batchscan [player|all] command

Item Restoration
- Restore quarantined items to players
- Bulk restore options available
- /antidupe restore <player> [itemId|all] command
----------, Sep 25, 2025

Fixed null checks errors in console.
----------, Sep 25, 2025

Resource Information
Author:
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Total Downloads: 49
First Release: Sep 25, 2025
Last Update: Oct 5, 2025
Category: ---------------
All-Time Rating:
3 ratings
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Released: --------------------
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