Version 6.8
- Fix missing “math” OpenType script from Libertinus Math.
- Add \QED symbol to Libertinus Math, also add Add ⦇ (U+2987) and ⦈ (U+2988).
- Fix mis-encoded glyphs in Libertinus Serif Semibold Italic.
- Make digits fitted in Libertinus Serif Initials font, and drop incomplete Greek, Cyrillic and Hebrew support.
- Add U+AB52 and U+A793 to Libertinus Serif Regular.