I need help updating an old Minecraft mod for compatibility with version 1.20.1. The mod currently works with 1.18.2 or later. Key requirements: - Update the mod to be compatible with 1.20.1 - Ensure the existing functionality remains intact - Test and verify the mod works without issues on the new version Ideal skills and experience: - Proficient in Minecraft modding - Experience with Minecraft versions and their changes - Strong debugging skills - Familiarity with Minecraft's codebase and modding tools Please provide examples of previous similar work.