Overview of changes leading to 14.6.0
Monday, October 5, 2026
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- Fix shaping failures caused by out-of-range glyph IDs, a regression from
  11.4.0.
- Update experimental beyond-64k support to the final ISO Open Font Format
  5th edition. This support remains disabled by default.
- Add support for the `DMAP` table.
- Support `FeatureVariations` 1.1 lookup variations, including subsetting and
  instancing.
- Update `VARC` to the revised variation-store format. The new format is
  incompatible with the previous one.
- Various `VARC` fixes.
- Fix background color and stride handling in the experimental raster library.
- Improve the experimental Rust shaper (HarfRust) and font functions
  (`fontations`), and update HarfRust to 0.14.
- Various subsetting fixes and improvements.
- Various fixes for malformed fonts.
- Various build and CI fixes.