* Optimize glyphs for `round-top-serifless` and `round-top-base-serifed` variants for `A` part (`cv11`) of Capital AE (`U+00C6`) under Quasi-Proportional.
* Fix metrics of `U+27D9` and `U+2A05` under Fixed (#2548).
* Fix Macedonian Cyrillic Gje under italics (#2493).
* Improve widths of overline marks of Serbian italic lower Ghe/Pe/Te.
* Remove crossbar variants for `Z`/`z` when under Polish locale (`PLK`) to avoid confusion with the handwritten `Ż`/`ż` allograph, `Ƶ`/`ƶ`.
* Make serif variants for Latin Capital/Small Schwa (`Ə`/`ə`) only appear under Turkic (Turkish/Azerbaijani/etc.) locales (`TRK`, `AZE`, `GAG`, `KAZ`, `TAT`, `CRT`) as other languages that use Latin Schwa (including the IPA) unify its metrics with Open O (`Ɔ`/`ɔ`) or a literal Turned E (`Ǝ`/`ǝ`).
* Make serifs of Latin Letter Small Capital I (`ɪ`) slightly wider under Quasi-Proportional.
* Make Cyrillic Small Letter Komi Dje (`ԃ`) slightly wider under Quasi-Proportional.
* Make serifs of Small Capital and Modifier Letter Reversed N (`ᴎ`/`ᴻ`) more accurately follow the serifs of `N`.
* Make Som Sign (`⃀`) follow variants of capital `C`.
* Make Latin Capital Letter Small Capital I (`Ɪ`) slightly wider under Etoile.
* Add Characters:
- CYRILLIC CAPITAL LETTER TJE (`U+1C89`) ... CYRILLIC SMALL LETTER TJE (`U+1C8A`).
- COMPOSITION SYMBOL (`U+2384`).
- WHITE DIAMOND IN SQUARE (`U+26CB`).
- DRIVE SLOW SIGN (`U+26DA`).
- SQUARED SALTIRE (`U+26DD`) ... FALLING DIAGONAL IN WHITE CIRCLE IN BLACK SQUARE (`U+26DE`).
- HEAVY CIRCLED SALTIRE (`U+2B59`).
- TOP HALF LEFT PARENTHESIS (`U+2E59`) ... BOTTOM HALF RIGHT PARENTHESIS (`U+2E5C`).
- LATIN CAPITAL LETTER RAMS HORN (`U+A7CB`) (#2506).
- LATIN CAPITAL LETTER S WITH DIAGONAL STROKE (`U+A7CC`) ... LATIN SMALL LETTER S WITH DIAGONAL STROKE (`U+A7CD`).
- LATIN CAPITAL LETTER LAMBDA (`U+A7DA`) ... LATIN CAPITAL LETTER LAMBDA WITH STROKE (`U+A7DC`).
- COUNTING ROD UNIT DIGIT ONE (`U+1D360`) ... COUNTING ROD TENS DIGIT NINE (`U+1D371`).
### 31.6.1
- Fix broken accent stacking behavior for partially precomposed characters with leaning anchors (#2492).
### 31.6.0
* Add Latin localization forms for Polish and Romanian.
* Make Combining Square Below (`U+033B`) slightly narrower.
* Improve glyph visual for Combining Suspension Mark (`U+1DC3`).
* Make Cyrillic Capital/Small Letter Uk (`U+0478`..`U+0479`) slightly narrower under Quasi-Proportional.
* Make Cyrillic Capital/Small Letter Round Omega (`U+047A`..`U+047B`) slightly wider under Quasi-Proportional.
### 31.5.0
* Add characters:
- KAYAH LI SIGN CWI (`U+A92E`).
- ZERO WIDTH NON-BREAKING SPACE (`U+FEFF`).
* Add APL form (`APLF`) for `U+25E0` and `U+25E1`, for UIUA.
* Add Cyrillic localization forms for Bashkir and Chuvash.
### 31.4.0
* Add characters:
- OCR HOOK (`U+2440`) .. OCR BOW TIE (`U+2445`) (#2465).
* Add slanted dollar and cent sign (#2408).
* Add round-top capital A (#2472).
* Fix `cv41` application to `ss01`, `ss02`, `ss04`, `ss06`, and `ss15`.
* Fix `cv54` application to `ss01`, `ss03`, `ss04`, `ss06`, `ss07`, `ss09`, `ss12`, `ss14`, `ss15`, `ss17`, and `ss18`.
* Fix `cv62` application to `ss01`, `ss02`, `ss04`, `ss07`, `ss09`, `ss13`, `ss15`, `ss16`, and `ss18`.
### 31.3.0
* Add `diagonal-tailed-cursive` variants for Cyrillic Lower Ef (`cv93`).
* Add `rounded-vertical-sides` variants for Capital/Lower W (`cv32`, `cv57`).
* Make Aile and Etoile use `straight` variants for `brace` and `guillemet`.
* Prevent clipping of texture-extended glyphs in Kitty.
### 31.2.0
* Add variant selectors for Greek lower Phi/Psi (`VXAG`, `VXAH`).
* Optimize cross position for Cyrillic Lower Straight U (`U+04AF`, `U+04B1`).
* Optimize glyph shape for `lower-gamma`.`straight` and `lower-gamma`.`curly`.
* Optimize glyph shape for `U+1DF15`.
### 31.1.0
* Add characters:
- BLACK-LETTER CAPITAL H (`U+210C`) (#714).
- BLACK-LETTER CAPITAL I (`U+2111`) (#714).
- BLACK-LETTER CAPITAL R (`U+211C`) (#714).
- BLACK-LETTER CAPITAL Z (`U+2128`) (#714).
- BLACK-LETTER CAPITAL C (`U+212D`) (#714).
- LATIN SMALL LETTER BLACKLETTER E (`U+AB32`) (#2443).
- LATIN SMALL LETTER BLACKLETTER O (`U+AB3D`) (#2443).
- LATIN SMALL LETTER BLACKLETTER O WITH STROKE (`U+AB3E`) (#2443).