Lifecycle states are new, rising, stable, major-update, experimental, archived. “New” means recently reviewed, not pre-vetted hype.
ai_familiarity grades whether mainstream model training data covers the project and its current API: low (post-dates common cutoffs), medium (known but often generated with outdated APIs), high (models reliably produce current-API code). It is a dated maintainer judgment, not a benchmark.
A Radar entry is a review record, not an endorsement to adopt blindly — each entry names when not to use the project. Propose a project through the repository’s proposal form; discovery candidates are machine-generated, verdicts never are.