• Redo Hebrew vowel marks
• Add (for Hebrew) uniE801-3, uniFB29, shin variants, letters with dagesh,
  letters with rafe, patah, ganuv, hireqmem and holamalef
• Add circledotted with anchors for Hebrew vowels
• Correct spacing for uni01DD
• Add missing above marks to lowercase L in Serif family
• Add above marks and aboveMark base marks to Serif Semibold
• Add lowercase e and r with stroke to Serif family
• Overhaul math font glyphs for style consistency
• Add U+FB29 (Hebrew alternative plus sign) to all families
• Add U+29B9 and U+29BA glyphs to Libertinus Math
• Add U+2B33, long leftwards squiggle arrow to Math family
• Add Dutch-specific i_j and I_J digraphs