Path	Best for
1.21	current maintained branch
1.20.1	deepest in-site coverage
Upgrade	migration and compatibility
Official docs	authoritative references
Third-party docs	direct entry to Course 1.20.1 and XPlus 1.19.2/1.18.2

Layer	Role
in-site docs	curated structure in CrychicDoc
NeoForge topics	collected NeoForge study paths
official references	NeoForged docs, toolchain docs, and NeoGradle plugin docs

Datapack

Local Pages

Page	Notes
	Document page in this directory

Column	Description
Docs & Info	structure, rules, Q&A, board topics, and module requests
Guide Hubs	community links, tools, and topical gateways