Prevent modpack updates from overwriting installed worlds

When updating a modpack that includes a pre-installed world, CurseForge automatically replaces the existing world with the new one. This can cause players to lose all their progress without warning.

Instead of overwriting existing worlds, CurseForge should automatically rename the newly installed/updated world by adding a number to its folder name, such as "World (1)", "World (2) etc.

This would allow players to keep their existing worlds while still receiving the updated ones included with the modpack.

It would be a simple but important improvement for modpacks that come with custom worlds.

  • Guest
  • Oct 25 2026
  • Future consideration
Minecraft
  • Attach files

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