* \[**Breaking**\] Remove support for RIS characters (U+1F1E6..U+1F1FF) as they conflict with Emojis.
* Iosevka private characters moved to U+F880..U+F8FF range.
* Add characters:
  - UNCERTAINTY SIGN (`U+2BD1`) (#2976).
  - Z NOTATION SCHEMA PIPING (`U+2A20`).
  - Z NOTATION SCHEMA PROJECTION (`U+2A21`).
* Add `straight-vertical-sides-almost-flat-top` and `rounded-vertical-sides-almost-flat-top` variants for `W` and `w`.
* Add `flat-hook` variants for `5`.
* Add serifed variants for Greek lowercase nu (`U+03BD`) (#2721).
* Add IPA localization form for MODIFIER LETTER CAPITAL H WITH STROKE (`U+A7F8`).
* Refine shape of the following characters:
  - LATIN CAPITAL LETTER THORN (`U+00DF`).
  - LATIN CAPITAL LETTER GHA (`U+01A2`).
  - LATIN SMALL LETTER GHA (`U+01A3`).
  - LATIN SMALL LETTER EZH REVERSED (`U+0189`).
  - LATIN SMALL LETTER EZH WITH CARON (`U+01EF`).
  - LATIN SMALL LETTER GLOTTAL STOP (`U+0242`).
  - LATIN SMALL LETTER LEZH (`U+026E`).
  - LATIN SMALL LETTER EZH (`U+0292`).
  - LATIN SMALL LETTER DEZH DIGRAPH (`U+02A4`).
  - GREEK CAPITAL LETTER SHO (`U+03F7`).
  - CYRILLIC CAPITAL LETTER EF (`U+0424`).
  - CYRILLIC CAPITAL LETTER YU (`U+042E`).
  - CYRILLIC SMALL LETTER EF (`U+0444`).
  - CYRILLIC SMALL LETTER YU (`U+044E`).
  - CYRILLIC CAPITAL LETTER YAT (`U+0462`).
  - CYRILLIC SMALL LETTER YAT (`U+0463`).
  - CYRILLIC CAPITAL LETTER IOTIFIED LITTLE YUS (`U+0468`).
  - CYRILLIC SMALL LETTER IOTIFIED LITTLE YUS (`U+0469`).
  - CYRILLIC CAPITAL LETTER IOTIFIED BIG YUS (`U+046C`).
  - CYRILLIC SMALL LETTER IOTIFIED BIG YUS (`U+046D`).
  - CYRILLIC SMALL LETTER ABKHASIAN DZE (`U+04E1`).
  - MODIFIER LETTER SMALL EZH (`U+1DBE`).
  - BOTTOM RIGHT CROP (`U+230C`) ... TOP LEFT CROP (`U+230F`) (#2989).
  - MALE SIGN (`U+2642`).
  - COMBINING CYRILLIC LETTER YAT (`U+2DFA`).
  - COMBINING CYRILLIC CYRILLIC LETTER YU (`U+2DFB`).
  - COMBINING CYRILLIC LETTER IOTIFIED BIG YUS (`U+2DFF`).
  - CYRILLIC CAPITAL LETTER IOTIFIED YAT (`U+A652`) ... CYRILLIC CAPITAL LETTER IOTIFIED A (`U+A656`).
  - CYRILLIC CAPITAL LETTER IOTIFIED CLOSED LITTLE YUS (`U+A65C`).
  - CYRILLIC SMALL LETTER IOTIFIED CLOSED LITTLE YUS (`U+A65D`).
  - COMBINING CYRILLIC LETTER EF (`U+A69E`).
  - LATIN CAPITAL LETTER THORN WITH STROKE (`U+A764`).
  - LATIN CAPITAL LETTER THORN WITH STROKE THROUGH DESCENDER (`U+A766`).
  - LATIN SMALL LETTER PHARYNGEAL VOICED FRICATIVE (`U+A7CF`).
  - MODIFIER LETTER DEZH DIGRAPH (`U+1078A`)
  - MODIFIER LETTER SMALL LEZH (`U+1079E`).
  - LATIN SMALL LETTER DEZH DIGRAPH WITH PALATAL HOOK (`U+1DF12`).
  - LATIN SMALL LETTER EZH WITH PALATAL HOOK (`U+1DF18`).
  - MODIFIER LETTER CYRILLIC SMALL EF (`U+1E042`).
  - MODIFIER LETTER CYRILLIC SMALL YU (`U+1E049`).
  - CYRILLIC SUBSCRIPT SMALL LETTER EF (`U+1E060`).
