Changes of version 30.3.1

Add Capital Eszet (VXAC) variants with top-left corner.
Add square-dotted variant for brailles (#2388).
Fix leaning mark anchors for U+0195, U+019E, U+01A6, and U+0220.
Optimize glyph shape for U+01A6, U+A68A, and U+A68B.
Make Aile and Etoile use {six|nine}.closed-contour by default.
Make ss20 use seven.curly-serifless by default.
Adjust balancing of r with corner hooks (#2394).
Fix side bearings of Latin-1 Macron (U+00AF) under Quasi-Proportional.
Make U+050F, U+A68B, U+FB03, and U+FB04 slightly wider under Quasi-Proportional.

Changes of version 30.3.0

Add separate variant selectors For Cyrillic Capital/Lower E (VXAA, VXAB).
Add variant selector for Capital Eszet (ẞ) (VXAC) (#1552).
Add variant selector for Capital Thorn (Þ) (VXAD).
Add serifed-capped variants for capital-e and capital-f (cv05, cv06) (#2026).
Add unilateral-bottom-serifed and unilateral-bottom-inward-serifed variants for Cyrillic Capital/Lower Ze (cv69, cv70).
Add characters:
- SYMBOL FOR SAMARITAN SOURCE (U+214F).
- CURLY LOOP (U+27B0).
- DOUBLE CURLY LOOP (U+27BF).
- LEFT THIRD INDUCTOR (U+1CC0B) (Proposed for Unicode 16; L2/21-235).
- MIDDLE THIRD INDUCTOR (U+1CC0C) (Proposed for Unicode 16; L2/21-235).
- RIGHT THIRD INDUCTOR (U+1CC0D) (Proposed for Unicode 16; L2/21-235).
- LOGIC GATE OR (U+1CC15) (Proposed for Unicode 16; L2/21-235).
- LOGIC GATE AND (U+1CC16) (Proposed for Unicode 16; L2/21-235).