• Converts UFO masters to version 3 (GitHub issue #148)
• Adds IPA affricate ligature characters. (GitHub issue #174)
  LATIN SMALL LETTER DZ DIGRAPH (U+20A3)
  LATIN SMALL LETTER DZ DIGRAPH WITH CURL (U+02A5)
  LATIN SMALL LETTER TS DIGRAPH (U+02A6)
  LATIN SMALL LETTER TC DIGRAPH WITH CURL (U+02A8)
  LATIN SMALL LETTER DZ DIGRAPH WITH RETROFLEX HOOK (U+AB66)
  LATIN SMALL LETTER TS DIGRAPH WITH RETROFLEX HOOK (U+AB67)
• Adds characters for combining double marks. (GitHub issue #179)
  COMBINING DOUBLE MACRON (U+035E)
  COMBINING DOUBLE CIRCUMFLEX ABOVE (U+1DCD)
• Fixes bug in which small capitals clashed with character variants. (GitHub issue #183)
• Adds characters for U/u dieresis below. (GitHub issue #184)
  LATIN CAPITAL LETTER U WITH DIAERESIS BELOW (U+1E72)
  LATIN SMALL LETTER U WITH DIAERESIS BELOW (U+1E73)
• Adds character RATIO (U+2236). (GitHub issue #189)