Pure fw factory descriptors that layer opt-in extras onto the core fonts orchestrator via .use(...). Pick the one matching the features the application needs, then register it (e.g. via runtime.registerDeep(...), which pulls in its transitive dependencies) and runtime.resolve(<bundleName>).

Module Composes Description
fonts-large fonts + extraMath + extraJstf Majority "read path" bundle — BASE/JSTF/MATH metadata on top of core parsing.
fonts-full fonts-large + RM05 hinting + shapers + WOFF2 write + DSIG Full OpenType coverage.
fonts-apple-aat fonts-full + AAT (morx/kerx/ankr/prop/lcar/feat) macOS-ready bundle.