* Make Cyrillic Capital/Small Letter Yn (U+A65E‥U+A65F) to follow Greek Capital Lambda (cv72) instead of V/v. (#2539)
* Make certain M-width characters slightly wider under Quasi-Proportional. Affected characters:
  - LATIN CAPITAL LETTER W (`U+0057`).
  - LATIN SMALL LETTER M (`U+006D`).
  - LATIN CAPITAL LETTER AE (`U+00C6`).
  - LATIN SMALL LETTER AE (`U+00E6`).
  - LATIN CAPITAL LIGATURE OE (`U+0152`) ... LATIN SMALL LIGATURE OE (`U+0153`).
  - LATIN CAPITAL LETTER W WITH CIRCUMFLEX (`U+0174`).
  - LATIN SMALL LETTER HV (`U+0195`).
  - LATIN CAPITAL LETTER TURNED M (`U+019C`).
  - LATIN CAPITAL LETTER AE WITH MACRON (`U+01E2`) ... LATIN SMALL LETTER AE WITH MACRON (`U+01E3`).
  - LATIN CAPITAL LETTER HWAIR (`U+01F6`).
  - LATIN CAPITAL LETTER AE WITH ACUTE (`U+01FC`) ... LATIN SMALL LETTER AE WITH ACUTE (`U+01FD`).
  - LATIN SMALL LETTER DB DIGRAPH (`U+0238`) ... LATIN SMALL LETTER QP DIGRAPH (`U+0239`).
  - LATIN SMALL LETTER TURNED M (`U+026F`) ... LATIN SMALL LETTER M WITH HOOK (`U+0271`).
  - LATIN SMALL LETTER DZ DIGRAPH (`U+02A3`) ... LATIN SMALL LETTER LZ DIGRAPH (`U+02AB`).
  - CYRILLIC CAPITAL LETTER LJE (`U+0409`) ... CYRILLIC CAPITAL LETTER NJE (`U+040A`).
  - CYRILLIC CAPITAL LETTER SHA (`U+0428`) ... CYRILLIC CAPITAL LETTER SHCHA (`U+0429`).
  - CYRILLIC SMALL LETTER EF (`U+0444`).
  - CYRILLIC SMALL LETTER SHA (`U+0448`) ... CYRILLIC SMALL LETTER SHCHA (`U+0449`).
  - CYRILLIC SMALL LETTER LJE (`U+0459`) ... CYRILLIC SMALL LETTER NJE (`U+045A`).
  - CYRILLIC CAPITAL LETTER OMEGA (`U+0460`).
  - CYRILLIC CAPITAL LETTER OMEGA WITH TITLO (`U+047C`).
  - CYRILLIC CAPITAL LETTER OT (`U+047E`).
  - CYRILLIC CAPITAL LETTER PE WITH MIDDLE HOOK (`U+04A6`) ... CYRILLIC SMALL LETTER PE WITH MIDDLE HOOK (`U+04A7`).
  - CYRILLIC CAPITAL LIGATURE A IE (`U+04D4`) ... CYRILLIC SMALL LIGATURE A IE (`U+04D5`).
  - CYRILLIC CAPITAL LETTER KOMI DJE (`U+0502`) ... CYRILLIC SMALL LETTER KOMI ZJE (`U+0505`).
  - CYRILLIC CAPITAL LETTER KOMI LJE (`U+0508`) ... CYRILLIC SMALL LETTER KOMI NJE (`U+050B`).
  - CYRILLIC CAPITAL LETTER YAE (`U+0518`) ... CYRILLIC SMALL LETTER YAE (`U+0519`).
  - CYRILLIC CAPITAL LETTER WE (`U+051C`).
  - CYRILLIC CAPITAL LETTER EL WITH MIDDLE HOOK (`U+0520`) ... CYRILLIC SMALL LETTER EN WITH MIDDLE HOOK (`U+0523`).
  - CYRILLIC CAPITAL LETTER DZZHE (`U+052A`) ... CYRILLIC SMALL LETTER DZZHE (`U+052B`).
  - ARMENIAN CAPITAL LETTER XEH (`U+053D`).
  - ARMENIAN SMALL LETTER TURNED AYB (`U+0560`) ... ARMENIAN SMALL LETTER AYB (`U+0561`).
  - ARMENIAN SMALL LETTER XEH (`U+056D`).
  - ARMENIAN SMALL LETTER PEH (`U+057A`).
  - ARMENIAN SMALL LETTER TIWN (`U+057F`).
  - ARMENIAN SMALL LETTER PIWR (`U+0583`).
  - ARMENIAN SMALL LIGATURE ECH YIWN (`U+0587`).
  - CYRILLIC SMALL LETTER THREE-LEGGED TE (`U+1C85`).
  - LATIN SMALL LETTER TURNED AE (`U+1D02`).
  - LATIN SMALL LETTER TURNED OE (`U+1D14`).
  - MODIFIER LETTER CAPITAL AE (`U+1D2D`).
  - MODIFIER LETTER CAPITAL W (`U+1D42`).
  - MODIFIER LETTER SMALL TURNED AE (`U+1D46`).
  - MODIFIER LETTER SMALL M (`U+1D50`).
  - MODIFIER LETTER SMALL TURNED M (`U+1D5A`).
  - LATIN SMALL LETTER UE (`U+1D6B`).
  - LATIN SMALL LETTER M WITH MIDDLE TILDE (`U+1D6F`).
  - LATIN SMALL LETTER M WITH PALATAL HOOK (`U+1D86`).
  - LATIN SMALL LETTER SCHWA WITH RETROFLEX HOOK (`U+1D95`).
  - MODIFIER LETTER SMALL M WITH HOOK (`U+1DAC`) ... MODIFIER LETTER SMALL TURNED M WITH LONG LEG (`U+1DAD`).
  - LATIN SMALL LETTER M WITH ACUTE (`U+1E3F`).
  - LATIN SMALL LETTER M WITH DOT ABOVE (`U+1E41`).
  - LATIN SMALL LETTER M WITH DOT BELOW (`U+1E43`).
  - LATIN CAPITAL LETTER W WITH GRAVE (`U+1E80`).
  - LATIN CAPITAL LETTER W WITH ACUTE (`U+1E82`).
  - LATIN CAPITAL LETTER W WITH DIAERESIS (`U+1E84`).
  - LATIN CAPITAL LETTER W WITH DOT ABOVE (`U+1E86`).
  - LATIN CAPITAL LETTER W WITH DOT BELOW (`U+1E88`).
  - LATIN SUBSCRIPT SMALL LETTER M (`U+2098`).
  - TELEPHONE SIGN (`U+2121`).
  - FACSIMILE SIGN (`U+213B`).
  - MILL SIGN (`U+20A5`).
  - WON SIGN (`U+20A9`).
  - SMALL ROMAN NUMERAL ONE THOUSAND (`U+217F`) ... ROMAN NUMERAL ONE THOUSAND C D (`U+2180`).
  - ROMAN NUMERAL TEN THOUSAND (`U+2182`).
  - ROMAN NUMERAL ONE HUNDRED THOUSAND (`U+2188`).
  - VERY MUCH LESS-THAN (`U+22D8`) ... VERY MUCH GREATER-THAN (`U+22D9`).
  - LEFT AND RIGHT DOUBLE TURNSTILE (`U+27DA`) ... LEFT AND RIGHT TACK (`U+27DB`).
  - SHUFFLE PRODUCT (`U+29E2`).
  - LATIN CAPITAL LETTER W WITH HOOK (`U+2C72`).
  - CYRILLIC CAPITAL LETTER BROAD OMEGA (`U+A64C`).
  - CYRILLIC CAPITAL LETTER DOUBLE MONOCULAR O (`U+A66C`) ... CYRILLIC LETTER MULTIOCULAR O (`U+A66E`).
  - CYRILLIC CAPITAL LETTER ZHWE (`U+A684`) ... CYRILLIC SMALL LETTER CCHE (`U+A687`).
  - CYRILLIC CAPITAL LETTER DOUBLE O (`U+A698`) ... CYRILLIC SMALL LETTER DOUBLE O (`U+A699`).
  - LATIN CAPITAL LETTER AA (`U+A732`) ... LATIN SMALL LETTER AU (`U+A737`).
  - LATIN CAPITAL LETTER OO (`U+A74E`) ... LATIN SMALL LETTER OO (`U+A74F`).
  - LATIN CAPITAL LETTER OMEGA (`U+A7B6`).
  - MODIFIER LETTER SMALL LIGATURE OE (`U+A7F9`) ... LATIN SMALL CAPITAL LETTER TURNED M (`U+A7FA`).
  - LATIN EPIGRAPHIC LETTER ARCHAIC M (`U+A7FF`).
  - LATIN SMALL LETTER A REVERSED SCHWA (`U+AB31`).
  - LATIN SMALL LETTER M WITH CROSSED-TAIL (`U+AB3A`).
  - LATIN SMALL LETTER INVERTED OE (`U+AB40`) ... LATIN SMALL LETTER TURNED OE WITH HORIZONTAL STROKE (`U+AB42`).
  - LATIN SMALL LETTER SAKHA YAT (`U+AB60`).
  - LATIN SMALL LETTER UO (`U+AB63`).
  - LATIN SMALL LETTER DZ DIGRAPH WITH RETROFLEX HOOK (`U+AB66`) ... LATIN SMALL LETTER TS DIGRAPH WITH RETROFLEX HOOK (`U+AB67`).
  - LATIN SMALL LIGATURE FFI (`U+FB03`) ... LATIN SMALL LIGATURE ST (`U+FB06`).
  - MODIFIER LETTER SMALL AE (`U+10783`).
  - LATIN SMALL LETTER DEZH DIGRAPH WITH PALATAL HOOK (`U+1DF12`).
  - LATIN SMALL LETTER TESH DIGRAPH WITH PALATAL HOOK (`U+1DF17`).
  - MODIFIER LETTER CYRILLIC SMALL EF (`U+1E042`).
  - MODIFIER LETTER CYRILLIC SMALL SHA (`U+1E046`).
  - CYRILLIC SUBSCRIPT SMALL LETTER EF (`U+1E060`).
  - CYRILLIC SUBSCRIPT SMALL LETTER SHA (`U+1E064`).
* Add characters:
  - MARRIAGE SYMBOL (`U+26AD`) ... UNMARRIED PARTNERSHIP SYMBOL (`U+26AF`).
  - LEFT OUTER JOIN (`U+27D5`) ... FULL OUTER JOIN (`U+27D7`).
  - Z NOTATION LEFT BINDING BRACKET (`U+2989`).
  - Z NOTATION RIGHT BINDING BRACKET (`U+298A`).
  - TRIANGLE WITH DOT ABOVE (`U+29CA`).
  - TRIANGLE WITH UNDERBAR (`U+29CB`).
  - TRIANGLE WITH SERIFS AT BOTTOM (`U+29CD`).
  - N-ARY TIMES OPERATOR (`U+2A09`).
  - JOIN (`U+2A1D`).
  - LARGE LEFT TRIANGLE OPERATOR (`U+2A1E`).
  - CLOSED UNION WITH SERIFS (`U+2A4C`) ... DOUBLE SQUARE UNION (`U+2A4F`).
  - SLOPING LARGE OR (`U+2A57`).
  - SLOPING LARGE AND (`U+2A58`).
  - LOGICAL AND WITH MIDDLE STEM (`U+2A5A`).
  - LOGICAL OR WITH MIDDLE STEM (`U+2A5B`).
  - Z NOTATION DOMAIN ANTIRESTRICTION (`U+2A64`).
  - Z NOTATION RANGE ANTIRESTRICTION (`U+2A65`).
  - SMALLER THAN (`U+2AAA`) ... LARGER THAN OR EQUAL TO (`U+2AAD`).
  - CLOSED SUBSET (`U+2ACF`) ... CLOSED SUPERSET OR EQUAL TO (`U+2AD2`).
  - ANTICLOCKWISE TRIANGLE-HEADED RIGHT U-SHAPED ARROW (`U+2B8C`) ... FOUR CORNER ARROWS CIRCLING ANTICLOCKWISE (`U+2B94`).
  - DOWNWARDS TRIANGLE-HEADED ARROW WITH LONG TIP LEFTWARDS (`U+2BA0`) ... RIGHTWARDS TRIANGLE-HEADED ARROW WITH LONG TIP DOWNWARDS (`U+2BA7`).
  - UNITED SYMBOL (`U+2BFA`) ... PASSED SYMBOL (`U+2BFD`).
  - MUSICAL SYMBOL FLAT UP (`U+1D12C`) ... MUSICAL SYMBOL SHARP DOWN (`U+1D131`).
  - LATIN SMALL LETTER DEZH DIGRAPH WITH RETROFLEX HOOK (`U+1DF19`).
  - LATIN SMALL LETTER TESH DIGRAPH WITH RETROFLEX HOOK (`U+1DF1C`).