8.0.0

NEWS

@@ -1,3 +1,45 @@
+Overview of changes leading to 8.0.0
+Sunday, July 9, 2023
+====================================
+- New, experimental, WebAssembly (WASM) shaper, that provides greater
+  flexibility over OpenType/AAT/Graphite shaping, using WebAssembly embedded
+  inside the font file. Currently WASM shaper is disabled by default and needs
+  to be enabled at build time. For details, see:
+
+    https://github.com/harfbuzz/harfbuzz/blob/main/docs/wasm-shaper.md
+
+  For example fonts making use of the WASM shaper, see:
+
+    https://github.com/simoncozens/wasm-examples
+
+- Improvements to Experimental features introduced in earlier releases:
+  - Support for subsetting beyond-64k and VarComposites fonts.
+  - Support for instancing variable fonts with cubic “glyf” table.
+
+- Many big speed optimizations:
+  - Up to 89% speedup loading variable fonts for shaping.
+  - Up to 88% speedup in small subsets of large (eg. CJK) fonts (both TTF and
+    OTF), essential for Incremental Font Transfer (IFT).
+  - Over 50% speedup in loading Roboto font for shaping.
+  - Up to 40% speed up in loading (sanitizing) complex fonts.
+  - 30% speed up in shaping Gulzar font.
+  - Over 25% speedup in glyph loading Roboto font.
+  - 10% speed up loading glyph shapes in VarComposite Hangul font.
+  - hb-hashmap optimizations & hashing improvements.
+
+- New macro HB_ALWAYS_INLINE. HarfBuzz now inlines functions more aggressively,
+  which results in some speedup at the expense of bigger code size. To disable
+  this feature define the macro to just inline.
+
+- New API:
++HB_CODEPOINT_INVALID
++hb_ot_layout_get_baseline2()
++hb_ot_layout_get_baseline_with_fallback2()
++hb_ot_layout_get_font_extents()
++hb_ot_layout_get_font_extents2()
++hb_subset_input_set_axis_range()
+
+
 Overview of changes leading to 7.3.0
 Tuesday, May 9, 2023
 ====================================

configure.ac

@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [7.3.0],
+        [8.0.0],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])

docs/harfbuzz-docs.xml

@@ -120,6 +120,7 @@
       <index id="api-index-full"><title>API Index</title><xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include></index>
       <index id="deprecated-api-index"><title>Index of deprecated API</title><xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include></index>
 
+      <index id="api-index-8-0-0"><title>Index of new symbols in 8.0.0</title><xi:include href="xml/api-index-8.0.0.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-7-3-0"><title>Index of new symbols in 7.3.0</title><xi:include href="xml/api-index-7.3.0.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-7-1-0"><title>Index of new symbols in 7.1.0</title><xi:include href="xml/api-index-7.1.0.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-7-0-0"><title>Index of new symbols in 7.0.0</title><xi:include href="xml/api-index-7.0.0.xml"><xi:fallback /></xi:include></index>

meson.build

@@ -1,6 +1,6 @@
 project('harfbuzz', 'c', 'cpp',
   meson_version: '>= 0.55.0',
-  version: '7.3.0',
+  version: '8.0.0',
   default_options: [
     'cpp_eh=none',          # Just to support msvc, we are passing -fno-exceptions also anyway
     'cpp_rtti=false',       # Just to support msvc, we are passing -fno-rtti also anyway

src/hb-common.h

@@ -110,7 +110,7 @@ typedef uint32_t hb_codepoint_t;
  *
  * Unused #hb_codepoint_t value.
  *
- * XSince: REPLACEME
+ * Since: 8.0.0
  */
 #define HB_CODEPOINT_INVALID ((hb_codepoint_t) -1)
 

src/hb-ot-layout.cc

@@ -2075,7 +2075,7 @@ choose_base_tags (hb_script_t    script,
  *
  * Return value: `true` if found script/language-specific font extents.
  *
- * XSince: REPLACEME
+ * Since: 8.0.0
  **/
 hb_bool_t
 hb_ot_layout_get_font_extents (hb_font_t         *font,
@@ -2123,7 +2123,7 @@ hb_ot_layout_get_font_extents (hb_font_t         *font,
  *
  * Return value: `true` if found script/language-specific font extents.
  *
- * XSince: REPLACEME
+ * Since: 8.0.0
  **/
 hb_bool_t
 hb_ot_layout_get_font_extents2 (hb_font_t         *font,
@@ -2254,7 +2254,7 @@ hb_ot_layout_get_baseline (hb_font_t                   *font,
  *
  * Return value: `true` if found baseline value in the font.
  *
- * XSince: REPLACEME
+ * Since: 8.0.0
  **/
 hb_bool_t
 hb_ot_layout_get_baseline2 (hb_font_t                   *font,
@@ -2511,7 +2511,7 @@ hb_ot_layout_get_baseline_with_fallback (hb_font_t                   *font,
  * This function is like hb_ot_layout_get_baseline_with_fallback() but takes
  * #hb_script_t and #hb_language_t instead of OpenType #hb_tag_t.
  *
- * XSince: REPLACEME
+ * Since: 8.0.0
  **/
 void
 hb_ot_layout_get_baseline_with_fallback2 (hb_font_t                   *font,

src/hb-version.h

@@ -41,13 +41,13 @@ HB_BEGIN_DECLS
  *
  * The major component of the library version available at compile-time.
  */
-#define HB_VERSION_MAJOR 7
+#define HB_VERSION_MAJOR 8
 /**
  * HB_VERSION_MINOR:
  *
  * The minor component of the library version available at compile-time.
  */
-#define HB_VERSION_MINOR 3
+#define HB_VERSION_MINOR 0
 /**
  * HB_VERSION_MICRO:
  *
@@ -60,7 +60,7 @@ HB_BEGIN_DECLS
  *
  * A string literal containing the library version available at compile-time.
  */
-#define HB_VERSION_STRING "7.3.0"
+#define HB_VERSION_STRING "8.0.0"
 
 /**
  * HB_VERSION_ATLEAST: