The additional content for the Ultimate Edition comes from the Year 1 Ultimate Pass which includes 4 new characters, 3 outfits with colors 1-10 for the new characters, 2 additional stages and 7,700 Drive tickets (in-game currency).
Timeline
(PCDD) Street Fighter 6 - Ultimate Edition $42.54 (DRM: Steam) via Fanatical.
(PCDD) Street Fighter 6 - Ultimate Edition $42.52 (DRM: Steam) via Fanatical.
bread's done