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# Gathering Chunks - 2.2.5 Beta 5 - Development Snapshot 3 > THIS IS AN **ALPHA BUILD WHICH MEANS THAT IT IS NOT READY FOR PRODUCTION!** This is the first version for Minecraft 1.21.11, so bugs are expected. **Back up your worlds before testing!** ## New features - **Minecraft 1.21.11 support:** Ported to 1.21.11. - **World-specific settings:** every world now has its own settings file. You can configure them using the new **GC Settings** button when creating a world. - **New settings menu:** access Debug and Performance options from the main menu. - **Better spawn themes:** your starting theme now matches the biome you spawn in. ## Fixes - **Ocean chunks fixed:** ocean spawners now generate actual ocean chunks. - **No more repeated starting spawns:** restarting a world no longer repeats the initial spawn. - **Chunk loading fixes:** fixed several issues that could leave chunks loaded or stop spawning from finishing. - **Scanner coordinates fixed:** the World Scanner and Cave Scanner now show the correct chunk coordinates. - **Server lag reduced:** fixed a major ChestTracker issue that could freeze the server. ## Performance - **Chunk copying is 25 to 30% faster** - **Starting spawn search is around 75% faster** - **Less background work:** the progression helper and rain filling system are now more efficient. ## Important notes - **World settings:** most settings become locked after world creation. Some options remain editable, and certain changes only affect newly generated chunks. - **Server settings:** multiplayer clients automatically receive the server's settings. - **Slow server warning:** creating a world on a very slow machine may cause the server to time out while searching for the starting spawn. Disabling the server watchdog with `max-tick-time=-1` in `server.properties` is a possible workaround. ## Known issues This is an early alpha, so bugs and compatibility issues are expected. Please report anything unusual!