github harfbuzz/harfbuzz 10.0.0

11 hours ago

What's Changed

  • Unicode 16.0.0 support.
  • Various documentation fixes.
  • Various build fixes.
  • Add API to allow HarfBuzz client to set what glyph to use when a Unicode Variation Selector is not supported by the font, which would allow the client to customize what happens in this case, by using a different font for example.
  • Add a callback to for “hb_face_t” for getting the list of table tags. This is now used to make calling “hb_face_get_table_tags()” work on a faces created by “hb_face_create_for_tables()” (e.g. faces returned by “hb_subset_or_fail()”).
  • CGJ and Mongolian Variation Selectors are now ignored during glyph positioning, previously they would block both glyph substitution and positioning across them.
  • Support cairo script as an output format for “hb-view” command line tool.
  • Drop an optimization that would cause HarfBuzz not apply pair positioning lookup subtables under certain circumstances, for compatibility with other implementations that do apply these subtables.
  • Subsetting will now fail if source font has no glyphs, so feeding the subsetter invalid data will not silently return an empty face.
  • If after partially instancing a font no variation data is left (the instance is fully static), don’t consider this a failure.
  • Workaround a Firefox bug in displaying SVGs generated be “hb-view” command line tool under certain circumstances.
  • Fix bug in macroman mapping for “cmap” table.
  • Fix difference shaping output when HarfBuzz is built with with “HB_NO_OT_RULESETS_FAST_PATH” enabled.
  • Various subsetting and instancing fixes.
  • Various fuzzing fixes.
  • Add “with_libstdcxx” meson build option.

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Full Changelog: 9.0.0...10.0.0

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