• Add Cyrillic to Libertinus Serif Bold Italic.
• Many character additions to Libertinus Math.
• Set “is extended shape” flag to relevant Libertinus Math glyphs to fix script position on large symbols in Microsoft Word.
• Improve \coloneq and \eqcolon by increasing the space between the colon and the equal sign.
• Make upright \partial and \mbfpartial look upright, and make \mbfpartial really bold.
• Make the vertical bars in Libertinus Math match the height of the other delimiters.
• Use smaller value for SubscriptBaselineDropMin, the subscripts applied to sub formulas were positioned too low.
• Fix the side bearings for italic mathematical glyphs in Libertinus Math, making them symmetrical (20 units) and rework kerning tables according to text font kerning.
• Fix vertical variants of math symbols.
• Add more ligatures to Libertinus Serif, and add missing ligatures to other Libertinus Serif fonts for parity with the regular style.
• Move Th ligature to Discretionary Ligatures (“dlig”).
• Discretionary Ligatures can also be enable using ZWJ control character.
• Drop “fina” feature for Greek sigma, this feature is for Arabic-like scripts.
• Move short f substitutions to the more appropriate “calt” feature instead of “ccmp”.
• Drop “nalt” feature as all glyphs it substitutes to are encoded Unicode characters that can be accessed directly.
• Rename font files to match the PostScript name of each font.
• Make Libertinus Serif Semibold work on legacy applications that support only 4 styles per family.
• Fix disordered BlueValues causing warnings with Ghostscript.
• Make the PUA symbols that were in Libertinus Keyboard accessed as ligatures.
• Align the bottom of the colon with the period.
• Kern alternate W glyph similar to regular one.
• Harmonize the design of italic figures.
• Extend caps lining figures to (almost) all Serif faces and both proportional and tabular spacing.
• Fix Libertinus Serif Italic ђ, it looked like an т.
• Make few marks that combine two glyphs higher, so that they don’t bump into glyph ascenders.
• Lower Libertinus Mono asterisk and make it bigger.
• Make combining low line and over line contiguous.
• Make OpenType features more consistent across fonts.