Version-focused setup checks for players using Minecraft 1.20.1. This guide focuses on the practical checks that help you avoid version confusion, incompatible files and unnecessary troubleshooting.
Match Minecraft 1.20.1 exactly
When your game profile is 1.20.1, use a Biomes O' Plenty build that explicitly supports 1.20.1 and the loader required by that release.
Dependencies and loader
Modern mod setups often rely on specific loader and library versions. A correct Minecraft version with an incorrect loader build can still fail at launch.
Test world generation
After installation, create a small test world and confirm the mod loads before opening a long-term save. If the game launches but no new terrain appears, generate new chunks and re-check the mod list.
Related guides
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