Chunk Loader Persistence

Chunk loaders normally stop holding their chunks when a world shuts down. The mod saves the active portal tickets before shutdown and restores them when the world loads again, so a chunk that was kept loaded before the restart is loaded again within the first seconds after startup. Older worlds with chunk loaders already built can use the same behavior without rebuilding them.

Restoration covers the tickets that were active at shutdown, and only those. A ticket created when a player passes through a portal is restored in the same way, while a loader that was never activated is left alone. Servers that rarely shut down benefit less, but single-player worlds, which stop often, are the main case the mod targets, and players who would otherwise rely on ender pearls or stasis setups can keep their loaders working instead.

The mod is server-side only, so players join without installing anything, and the server alone needs it. It requires Fabric API and Fabric Language Kotlin on Fabric, and files exist for 1.20 – 1.21.11 across ten release versions, with 1.3 for 1.21.11 as the latest file. The code is open source under the MIT License.