harfrust

This release matches HarfBuzz v14.3.1, and has an MSRV (minimum supported Rust version) of 1.85.

• Saturate shaping and positioning math across GPOS, kerx, trak, fallback,
  shaping, metrics, and font scaling paths to avoid overflow and better match
  HarfBuzz behavior (#420).
• Cache GDEF mark filtering sets in bitmaps (#421).
• Lock icu_properties to 2.2.0 (#422).
• Optimize hot loops in contextual and layout matching by probing rules before
  parsing, hoisting invariants, moving recursion state instead of cloning, and
  replacing per-element copies with block copies (#423, #424, #425).
• Optimize buffer internals by copying small counts inline and charging
  move_to operations against max_ops (#426, #429).
• Improve AAT shaping performance by walking morx subtables through packed
  descriptors, resolving subtable kinds from cached parts, and adding a
  state-machine fast path (#428, #430, #431).
• Skip the post-morx digest update when GPOS is not present (#433).
• Add a batched nominal-glyph callback to FontFuncs (#434).
• Update read-fonts to 0.43.2 (#432, #435).

This release matches HarfBuzz v14.3.1, and has an MSRV (minimum supported Rust version) of 1.85.

• Saturate shaping and positioning math across GPOS, kerx, trak, fallback, shaping, metrics, and font scaling paths to avoid overflow and better match HarfBuzz behavior (#420).
• Cache GDEF mark filtering sets in bitmaps (#421).
• Lock icu_properties to 2.2.0 (#422).
• Optimize hot loops in contextual and layout matching by probing rules before parsing, hoisting invariants, moving recursion state instead of cloning, and replacing per-element copies with block copies (#423, #424, #425).
• Optimize buffer internals by copying small counts inline and charging move_to operations against max_ops (#426, #429).
• Improve AAT shaping performance by walking morx subtables through packed descriptors, resolving subtable kinds from cached parts, and adding a state-machine fast path (#428, #430, #431).
• Skip the post-morx digest update when GPOS is not present (#433).
• Add a batched nominal-glyph callback to FontFuncs (#434).
• Update read-fonts to 0.43.2 (#432, #435).

This release matches HarfBuzz v14.3.1, and has an MSRV (minimum supported Rust version) of 1.85.

• Guard GPOS cursive attachment against out-of-bounds attach_chain offsets
  that could panic on buffers longer than 32767 glyphs (#411).
• Apply calt to non-Hangul characters in Hangul runs while continuing to
  suppress it for Jamo.
• Preserve the correct component assignments when MultipleSubst output is
  ligated and positioned with mark attachment lookups.
• Apply cross-direction mark attachment offsets immediately.
• Bound syllables to 64 glyphs during shaping.
• Map the collective ISO 15924 Hrkt script to the OpenType kana script tag.
• Update read-fonts to 0.43.0 (#418).

This release matches HarfBuzz v14.3.1, and has an MSRV (minimum supported Rust version) of 1.85.

• Guard GPOS cursive attachment against out-of-bounds attach_chain offsets that could panic on buffers longer than 32767 glyphs (#411).
• Apply calt to non-Hangul characters in Hangul runs while continuing to suppress it for Jamo.
• Preserve the correct component assignments when MultipleSubst output is ligated and positioned with mark attachment lookups.
• Apply cross-direction mark attachment offsets immediately.
• Bound syllables to 64 glyphs during shaping.
• Map the collective ISO 15924 Hrkt script to the OpenType kana script tag.
• Update read-fonts to 0.43.0 (#418).

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Update read-fonts to 0.41.0 (#403).
• Saturate AAT kerning position accumulation to avoid overflow (#400).
• Regenerate the Unicode data tables with the latest packtab (#401).
• Keep GPOS variation-index deltas fractional to match HarfBuzz, avoiding
  sub-font-unit advance and placement differences on variable fonts (#403).
• Keep AAT trak tracking fractional to match HarfBuzz (#404).

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Update read-fonts to 0.41.0 (#403).
• Saturate AAT kerning position accumulation to avoid overflow (#400).
• Regenerate the Unicode data tables with the latest packtab (#401).
• Keep GPOS variation-index deltas fractional to match HarfBuzz, avoiding sub-font-unit advance and placement differences on variable fonts (#403).
• Keep AAT trak tracking fractional to match HarfBuzz (#404).

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Parse contextual lookup rules in a single pass in the apply path for improved performance (#383).
• Fix integer overflow in fallback positioning shaper (#395).
• Fix overflow panic in skipping_iterator_t when shaping extremely long lines (#397).
• Fix custom nominal glyph cmap caching (#399).

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Parse contextual lookup rules in a single pass in the apply path for improved performance (#383).
• Fix integer overflow in fallback positioning shaper (#395).
• Fix overflow panic in skipping_iterator_t when shaping extremely long lines (#397).
• Fix custom nominal glyph cmap caching (#399).

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Add support for the new read-fonts Font API behind the experimental_font_api
  feature flag in both read-fonts and harfrust, and update read-fonts to 0.40.2.
• Reject recursive extension lookups.
• Bound ligature cache construction.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Add support for the new read-fonts Font API behind the experimental_font_api feature flag in both read-fonts and harfrust, and update read-fonts to 0.40.2.
• Reject recursive extension lookups.
• Bound ligature cache construction.

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Fix GPOS attachment offset overflow #384
• Require read-fonts 0.40.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Fix GPOS attachment offset overflow #384
• Require read-fonts 0.40.

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Use bytes instead of str storage for language tag table.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Use bytes instead of str storage for language tag table.

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Add method for appending bulk glyph infos to UnicodeBuffer.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Add method for appending bulk glyph infos to UnicodeBuffer.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Allow setting pre- and post-context from codepoints.
• Added Language::new constructor that accepts strings or bytes.
• Re-export GlyphId so that FontFuncs implementors don't need to add extra dependencies to name the type.
• Reify glyph flags into a GlyphFlags type. Existing methods on GlyphInfo remain for now to avoid a breaking change but will be removed in a future version.
• Fix AAT in place glyph deletion.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Allow setting pre- and post-context from codepoints.
• Added Language::new constructor that accepts strings or bytes.
• Re-export GlyphId so that FontFuncs implementors don't need to add extra dependencies to name the type.
• Reify glyph flags into a GlyphFlags type. Existing methods on GlyphInfo remain for now to avoid a breaking change but will be removed in a future version.
• Fix AAT in place glyph deletion.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Added support for font function overrides to enable injection of hinted metrics and control over character mapping. See FontFuncs and ShapeOptions::font_funcs.
• Added internal scaling support. See ShapeOptions::scale and ShapeOptions::scale_separate.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Added support for font function overrides to enable injection of hinted metrics and control over character mapping. See FontFuncs and ShapeOptions::font_funcs.
• Added internal scaling support. See ShapeOptions::scale and ShapeOptions::scale_separate.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Refactor ot shape context functions into methods.
• Added ShapeOptions type as argument to shape calls, preparation for being able to pass font functions. ShapeOptions accepts shape plan, point size, features. shape_with_plan() function removed in favor of new builder-style API.
• Document release process to avoid missing LICENSE files.

Release 0.7.1 was released prematurely and yanked from crates.io.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Document release process to avoid missing LICENSE files.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Make core_maths dependency optional and add new libm feature to control it. One of libm or std features is now required to build harfrust, matching the behavior of the fontations crates. This is a breaking change.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Do not hardcode requirement on libm for read-fonts dependency. Libm is required for read-fonts only in nostd environments.

This release matches HarfBuzz v14.2.0, and has an MSRV (minimum supported Rust version) of 1.85.

• Blocklist broken fonts in GDEF. This ports feature from HarfBuzz that was missing before.
• Add LICENSE file symlink to each crate.

This release matches HarfBuzz [v14.1.0][harfbuzz-14.1.0], and has an MSRV (minimum supported Rust version) of 1.85.

Roll to read-fonts 0.39.0.

This release matches HarfBuzz [v13.0.0][harfbuzz-13.0.0], and has an MSRV (minimum supported Rust version) of 1.85.

Fix hr-shape dependency, so we can publish on crates.io.

This release matches HarfBuzz [v12.3.0][harfbuzz-12.3.0], and has an MSRV (minimum supported Rust version) of 1.85.

• Update to read-fonts 0.37.0 (and bump MSRV to 1.85).
• Various performance improvements.

This release matches HarfBuzz [v12.2.0][harfbuzz-12.2.0], and has an MSRV (minimum supported Rust version) of 1.82.

• Make Script::from_iso15924_tag const.
• Avoid panic when saving syllable indices.

This release matches HarfBuzz [v12.2.0][harfbuzz-12.2.0], and has an MSRV (minimum supported Rust version) of 1.82.

• Enable more HarfBuzz tests.
• Fix bug from HarfBust puzzle.
• Update to read-fonts 0.36.0.

This release matches HarfBuzz [v12.1.0][harfbuzz-12.1.0], and has an MSRV (minimum supported Rust version) of 1.82.

• Fix "would apply" logic for chained sequence context format 3. This bug was preventing accurate classification of characters in Indic syllables for some fonts.
• Various optimizations.

This release matches HarfBuzz [v11.5.0][harfbuzz-11.5.0], and has an MSRV (minimum supported Rust version) of 1.82.

• Actually bump MSRV from 1.80 to 1.82.

This release matches HarfBuzz [v11.5.0][harfbuzz-11.5.0], and has an MSRV (minimum supported Rust version) of 1.82.

• Update to read-fonts 0.35.0.
• Bump MSRV from 1.80 to 1.82.

This release matches HarfBuzz [v11.5.0][harfbuzz-11.5.0], and has an MSRV (minimum supported Rust version) of 1.80.

• Update to Unicode 17.0.
• Fix panic when processing chained sequence context format 3.
• Add accessors for script, language and direction to ShapePlan.
• Various optimizations.

This release matches HarfBuzz [v11.4.4][harfbuzz-11.4.4], and has an MSRV (minimum supported Rust version) of 1.80.

• Major optimizations to speed up AAT shaping.

This release matches HarfBuzz [v11.3.3][harfbuzz-11.3.3], and has an MSRV (minimum supported Rust version) of 1.80.

• Major optimizations to speed up shaping.
• Initial support for shape plan caching in the form of ShapePlanKey.

This release matches HarfBuzz [v11.3.3][harfbuzz-11.3.3], and has an MSRV (minimum supported Rust version) of 1.75.

• Major optimizations to speed up shaping.

This release matches HarfBuzz v11.2.1, and has an MSRV (minimum supported Rust version) of 1.75.

• Initial Release of HarfRuzz.

HarfRust is a fork of RustyBuzz. See their changelog for details of prior releases.

<!-- The last release of RustyBuzz before 0.1.0. --> [0.1.0]: https://github.com/harfbuzz/harfrust/compare/8c52723ff75e91a33ae36e527baed871097e64bf...0.1.0