Jar Stacker
- By
Reduce entity lag by stacking dropped items and mobs while preserving Vanilla gameplay behavior.
Curse Maven Snippet
What's new
Jar Stacker v0.7.0
A major multi-version release expanding Jar Stacker support from Minecraft 1.21.1 all the way through 26.2.
Highlights
- Added full multi-version support for Minecraft 1.21.1–26.2
- 9 release artifacts covering 15 verified Minecraft runtimes
- Java 21 support for Minecraft 1.21.x
- Java 25 support for Minecraft 26.x
- Latest-entity-wins item stacking with smoother natural item motion
- Adaptive item scan cadence for responsive stacking with low overhead
- Improved logical mob state preservation
- Per-logical-member health, status effects, burn timers, and variant state
- Improved combat, sweeping, projectile, Looting, and death attribution parity
- Added persistent environmental and sunlight burn behavior
- Improved breeding, growth, wool regrowth, equipment extraction, and transformation handling
- Full in-game configuration support with optional YACL and Mod Menu integration
- Improved save/load and cross-version state preservation
Compatibility
This release supports:
- Minecraft 1.21.1
- Minecraft 1.21.2–1.21.3
- Minecraft 1.21.4
- Minecraft 1.21.5
- Minecraft 1.21.6–1.21.8
- Minecraft 1.21.9–1.21.10
- Minecraft 1.21.11
- Minecraft 26.1–26.1.2
- Minecraft 26.2
Install only the Jar Stacker file matching your Minecraft version.
Verification
- 360 / 360 automated tests passing per runtime
- 5,400 / 5,400 total server tests passing
- 15 / 15 client boot/linkage checks passing
- Minecraft 26.2 gameplay and configuration UI manually verified
- Minecraft 26.1.2 → 26.2 save upgrade verified
Notes
- Fabric API is required
- YACL and Mod Menu are optional
- Java 21 is required for Minecraft 1.21.x
- Java 25 is required for Minecraft 26.x
Please back up your world before updating Minecraft or major mod versions.
This mod has no additional files