6 * Many speedups, many slowdowns.
10 * Figured bass support
12 * Improved beam formatting.
14 * Improved grace notes.
16 * Improved accidental handling and formatting
18 * Better spacing. Includes subtle details like optical stem spacing.
20 * More ancient notation support: mensural ligatures, porrectuses, more
23 * Bracket piano pedals.
25 * Some entry optimizations.
27 * Font completely revised and improved.