• Fix regressions in handling of extensible combining marks with LuaTeX.
• Add Latin bold italic sans-serif alphabet.
• Add mathematical double-struck digits.
• Enable slashed zero feature in math font.
• Add big sizes for more brackets; \lBrack, \rBrack, \langle, \rangle, \lAngle and \rAngle.
• Add big sizes of slash and backslash.
• Add \widetilde, \wideutilde and \widebreve.
• Fix side bearings of math blackboard capitals.
• Fix math glyphs with negative left side bearing that can clash with preceding glyphs.
• Make \vert and \Vert expansion consistent in size with the brackets.
• Remove tone bar glyphs; the support was not adequate for proper use.
• Remove math alphabet glyphs from text fonts.
• Fix glyphs incorrectly categorized as mark glyphs.
• Add Bitcoin currency symbol.
• Fix stacking of a-ring and macron.
• Fix “ct” and “st” historic ligatures and make them consistent across fonts.
• Fix mark positioning over AE and OE glyphs.
• Fix style of U+2100 (a/c), U+2101 (a/s), U+2015 (c/o) and U+2106 (c/u).
• Fix mark positioning over G and g glyphs.
• Make default and alternate J glyphs consistent across upright and italic fonts.
• Make U+00BA MASCULINE ORDINAL INDICATOR and U+00AA FEMININE ORDINAL INDICATOR
  have the same baseline in serif fonts.
• Position semibold serif i/j dot similar to other styles.
• Remove rudimentary MATH table from regular serif font.
• Fix alignment of U+2192, U+2198, U+2199 in the monospace font.
• Make more arrows fixed width in the monospace font.
• Make capital roman numbers in sans-serif and sans-serif italic fonts actually sans-serif.
• Make \product in sans-serif fonts actually sans-serif.
• The fonts can now be built with upstream FontForge, no patches needed, as well as Python 3.