The term "Extra Quality" in typography indicates that the files are fully optimized. They feature clean vector paths, precise kerning pairs, and extensive OpenType features that remain crisp at any resolution. Key Design Characteristics
To ensure the "extra quality" you are looking for, download the fonts from reputable sources:
All styles share a common (U+0020–U+007E, U+00A0–U+00FF, U+0100–U+017F, plus a 300‑glyph extended Latin‑Extended‑A set and a 150‑glyph set of decorative symbols).
The limited adoption of variable font technology represents an area where the project could leapfrog competitors, especially given the growing importance of responsive typography on the web.
Features a wide range of designs, including elegant serifs, clean sans-serifs, gritty textures, and experimental display faces.