Added

• Support for mark filtering sets.
• Support for shaping text that uses Myanmar script, such as Burmese.
• Support kerning via kern table.
• Support for shaping with the morx table.
• Support parsing COLRv0, COLRv1, and CPAL tables.
• Support traversing the paint operators of the COLR table.
• Apply variations when visiting the outlines of glyf based fonts.
• Introduce subsetting profiles for more influence over subsetting.
• Provide access to bounding box of glyphs.

Changed

• Parse head table up front in Font. Public head_table field replaces head_table method.
• Introduce MissingTable variant to ParseError. This is used in place of MissingValue in the default implementation of read_table_data in FontTableProvider.
• Update to use Unicode 16 tables.
• Update brotli-decompressor to use Rust implementation.
• Apply GPOS lookups in global order.
• Increase MSRV to 1.83.0.
• Replace use of Rc in layout cache with Arc.

Fixed

• Respect flip flag in sbix lookup.
• Skip over whole input sequence with applying GPOS chained context positioning.
• Always honour variation selector when glyph mapping.
• Fix handling of glyph index 0 in CMAP format 4.
• Apply a maximum limit to GPOS substitutions.
• Relax CMAP format 4 length check to support fonts in the wild.

Full Changelog: https://github.com/yeslogic/allsorts/compare/v0.15.0...v0.16.0