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Tuesday, January 30, 2018
====================================

- Separate Khmer shaper from Indic.
- First stab at AAT morx. Not hooked up.
- Misc bug fixes.


Overview of changes leading to 1.7.4
Wednesday, December 20, 2017
====================================

- Fix collect_glyphs() regression caused by hb_set_t changes.


Overview of changes leading to 1.7.3
Monday, December 18, 2017
====================================

- hb_set_t performance tuning and optimizations.
- Speed up collect_glyphs() and reject garbage data.
- In hb_coretext_font_create() set font point-size (ptem).
- Misc fixes.


Overview of changes leading to 1.7.2
Monday, December 4, 2017
====================================

- Optimize hb_set_add_range().
- Misc fixes.
- New API:
hb_coretext_font_create()


Overview of changes leading to 1.7.1
Tuesday, November 14, 2017
====================================

- Fix atexit object destruction regression.
- Fix minor integer-overflow.


Overview of changes leading to 1.7.0
Monday, November 13, 2017
====================================

- Minor Indic fixes.
- Implement kerning and glyph names in hb-ot-font.
- Various DSO optimization re .data and .bss sizes.
- Make C++11 optional; build fixes.
- Mark all other backends "unsafe-to-break".
- Graphite fix.


Overview of changes leading to 1.6.3
Thursday, October 26th, 2017
====================================

- Fix hb_set_t some more.  Should be solid now.
- Implement get_glyph_name() for hb-ot-font.
- Misc fixes.


Overview of changes leading to 1.6.2
Monday, October 23nd, 2017
====================================

- Yesterday's release had a bad crasher; don't use it.  That's what
  happens when one works on Sunday...
  https://github.com/harfbuzz/harfbuzz/issues/578
- Build fixes for FreeBSD and Chrome Android.


Overview of changes leading to 1.6.1
Sunday, October 22nd, 2017
====================================

- Don't skip over COMBINING GRAPHEME JOINER when ligating, etc.
  To be refined: https://github.com/harfbuzz/harfbuzz/issues/554
- Faster hb_set_t implementation.
- Don't use deprecated ICU API.
- Fix undefined-behavior in Myanmar shaper, introduced in 1.6.0
- Deprecated API:
  hb_set_invert()


Overview of changes leading to 1.6.0
Friday, October the 13th, 2017
====================================

- Update to Unicode 10.

- Various Indic and Universal Shaping Engine fixes as a result of
  HarfBuzz Hackfest with Jonathan Kew at Web Engines Hackfest at
  the Igalia offices in A CoruÃ±a, Spain.  Thanks Igalia for having
  us!

- Implement Unicode Arabic Mark Ordering Algorithm UTR#53.

- Implement optical sizing / tracking in CoreText backend, using
  new API hb_font_set_ptem().

- Allow notifying hb_font_t that underlying FT_Face changed sizing,
  using new API hb_ft_font_changed().

- More Graphite backend RTL fixes.

- Fix caching of variable font shaping plans.

- hb-view / hb-shape now accept following new arguments:

  o --unicodes: takes a list of hex numbers that represent Unicode
    codepoints.

New API:
+hb_face_get_table_tags()
+hb_font_set_ptem()
+hb_font_get_ptem()
+hb_ft_font_changed()


Overview of changes leading to 1.5.1
Tuesday, September 5, 2017
====================================

- Fix "unsafe-to-break" in fallback shaping and other corner cases.
  All our tests pass with --verify now, meaning unsafe-to-break API
  works as expected.
- Add --unicodes to hb-view / hb-shape.
- [indic] Treat Consonant_With_Stacker as consonant.  This will need
  further tweaking.
- hb_buffer_diff() tweaks.


Overview of changes leading to 1.5.0
Wednesday, August 23, 2017
====================================

- Misc new API, for appending a buffer to another, and for comparing
  contents of two buffers for types of differences.

- New "unsafe-to-break" API.  Can be used to speed up reshaping
  in line-breaking situations.  Essentially, after shaping, it returns
  positions in the input string (some of the cluster boundaries) that
  are "safe to break" i