Memento: Build History

Safe Undo, Redo, Preview and player history for Minecraft. MEMENTO remembers what you build and lets you restore mistakes without blindly overwriting the world.
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Memento: Build History-1.0.0

File namememento-1.0.0.jar
Uploader
DarthWiciuDarthWiciu
Uploaded
Sep 8, 2026
Downloads
10
Size
503.7 KB
Mod Loaders
Fabric
File ID
8837348
Type
R
Release
Supported game versions
  • 26.2

Curse Maven Snippet

Fabric

modImplementation "curse.maven:memento-build-history-1687288:8837348"

Learn more about Curse Maven

What's new

MEMENTO 1.0.0

Initial public release of MEMENTO for Minecraft 26.2.

Features

  • Safe Undo and Redo
  • Player action history
  • Preview changes before restoring
  • Memories / history checkpoints
  • Partial conflict-aware restoration
  • Multiplayer-safe restores
  • Protection against overwriting other players' later changes
  • Resource-aware restoration
  • Persistent history across restarts
  • Crash recovery with fail-closed safety
  • English and Polish localization

Controls

  • Z — Undo
  • Y — Redo
  • H — Open MEMENTO History

Current limits

  • Up to 4,096 changes per reversible operation
  • Up to 500 operations per player
  • 7-day history retention
  • Up to 20 Memories
  • Up to 20,000 Preview ghost blocks

Known limitations

  • MEMENTO is not a full world rewind system
  • Autonomous consequences such as pistons, falling blocks, redstone effects and explosions are not guaranteed to be restored
  • Fluid propagation is currently unverified
  • A restore interrupted at the item-accounting boundary may permanently block that operation for safety
  • Configuration is planned for a future version

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