- Many mathematical operator in Libertinus Math were scaled up and redesigned for better use in math mode.
- Libertinus Math now has fraktur alphabets (copied from STIX Two Math font) and sans serif italic Greek (slanted from the upright version).
- Overline mark (U+0305) no longer make i and j dotless.
- Overline mark should be placed higher than glyph ascenders.
- Fonts are now autohinted with Adobe’s psautohint instead of FontForge’s autohinter.
- Libertinus Keyboard had the German keys Bild misspelled as Build in both glyph name and ligature string.
- Several changes to glyph names for consistency and accuracy.
- Several minor reorganization to the OpenType features.