Changes of version 29.1.0

• Add support for naming override (#2275).
• Fix broken glyphs for serifed variants of LATIN SMALL LETTER S WITH CURL (U+1DF1E).
• Improve glyph visual for Bulgarian localization form for CYRILLIC CAPITAL LETTER EF (U+0424) under slab.
• Make descender serif of CYRILLIC {CAPITAL|SMALL} LETTER KOPPA (U+0480..U+0481) appear under any serifed variants for C/c.
• Make presence of descender serif automatic for LATIN CAPTITAL LETTER BETA (U+A7B4).
• Remove tailless variants for TURNED GREEK SMALL LETTER IOTA (U+2129).
• Make presence of top-right serif automatic for CYRILLIC SMALL LIGATURE EN GHE (U+04A5) under cyrl/en=tailed-top-left-serifed.
• Fix broken geometry of tailed i/l under heavy oblique quasi-proportional.
• Make Cyrillic Lower Em (cv74) use flat-bottom-serifless for sans and flat-bottom-serifed for slab by default.
• Make Latin-1 Macron (U+00AF) slightly wider.
• Add characters:
  • MODIFIER LETTER LOWER RIGHT CORNER ANGLE (U+A71A).