Jar Stacker 0.6.0

Initial public release of Jar Stacker for Minecraft Java Edition 1.21.1 Fabric.

Highlights

📦 Item Stacking

• Added broad-radius dropped-item consolidation
• Latest Entity Wins — the newest dropped item remains as the physical survivor
• Preserves natural item position and velocity
• Adaptive fast scanning for fresh and moving items
• Slower scanning for settled piles to reduce unnecessary processing
• Exact item-count conservation
• Overflow protection
• Configurable stack labels

🐄 Mob Stacking

• Logical mob stacking with individual state preservation
• Per-member health tracking
• Individual status effects
• Independent fire timers
• Baby growth and breeding state
• Sheep wool-state handling
• Mob transformation support
• Equipment-sensitive extraction

⚔️ Combat

• Vanilla-aware single-target, sweeping, area, and environmental damage
• Multiple logical deaths handled correctly
• Loot and XP generation
• Player kill attribution
• Looting-aware death behavior

⚙️ Configuration

• Server-authoritative configuration
• In-game configuration interface
• Item and mob whitelists / blacklists
• Per-item and per-mob rules
• Configurable stack sizes and radii
• Mod Menu and YACL integration

Verification

• 343 / 343 automated integration tests passing
• Clean Minecraft 1.21.1 client startup
• Manual item-stacking gameplay verification completed

Requirements

• Minecraft 1.21.1
• Fabric Loader 0.19.3+
• Fabric API
• Java 21

Optional

• YetAnotherConfigLib (YACL v3)
• Mod Menu

License

MIT