Scope, limitations and roadmap: what the released package does and does not, what a dataset needs, what has been validated; the landing page, the ecosystem page and the assistant say Matter runs your data on your computer
Docs: the formation-energy filter is not called stability (Perov-5 leaderboard: 螖Hf路U路N and 螖Hf filter); the scope page names its version and links to MEIDNet Matter; MP-20 has 45,229 structures