Superscript
Replaces character with superscript version.
Small Capitals From Capitals
Turns caps (and sometimes also numerals and punctuation) into small caps. Mostly used together with Small Capitals feature to get an all-small caps setting.
Required Ligatures
Replaces a sequence of glyphs with a ligature required for correct text display. (Required in various non-Latin scripts like Arabic) Active by default.
Ordinals
Replaces characters with ordinal forms for use after figures.