diff --git a/NEWS b/NEWS
index 13aa662..e97a501 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+Overview of changes leading to 1.8.6
+Tuesday, August 7, 2018
+====================================
+- Internal code shuffling.
+- New API to speed up getting advance widths for implementations
+  that have heavy overhead in get_h_advance callback:
++hb_font_funcs_set_glyph_h_advances_func
++hb_font_funcs_set_glyph_v_advances_func
++hb_font_get_glyph_advances_for_direction
++hb_font_get_glyph_h_advances
++hb_font_get_glyph_h_advances_func_t
++hb_font_get_glyph_v_advances
++hb_font_get_glyph_v_advances_func_t
+
+
 Overview of changes leading to 1.8.5
 Wednesday, August 1, 2018
 ====================================
diff --git a/configure.ac b/configure.ac
index c439f54..c03d79d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [1.8.5],
+        [1.8.6],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
diff --git a/src/hb-font.cc b/src/hb-font.cc
index 77c0617..80768d6 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -789,7 +789,7 @@
  *
  * 
  *
- * Since: REPLACEME
+ * Since: 1.8.6
  **/
 void
 hb_font_get_glyph_h_advances (hb_font_t* font,
@@ -807,7 +807,7 @@
  *
  * 
  *
- * Since: REPLACEME
+ * Since: 1.8.6
  **/
 void
 hb_font_get_glyph_v_advances (hb_font_t* font,
@@ -1031,7 +1031,7 @@
  *
  * 
  *
- * Since: REPLACEME
+ * Since: 1.8.6
  **/
 HB_EXTERN void
 hb_font_get_glyph_advances_for_direction (hb_font_t* font,
diff --git a/src/hb-font.h b/src/hb-font.h
index cd21153..6cd4869 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -283,7 +283,7 @@
  *
  * 
  *
- * Since: REPLACEME
+ * Since: 1.8.6
  **/
 HB_EXTERN void
 hb_font_funcs_set_glyph_h_advances_func (hb_font_funcs_t *ffuncs,
@@ -299,7 +299,7 @@
  *
  * 
  *
- * Since: REPLACEME
+ * Since: 1.8.6
  **/
 HB_EXTERN void
 hb_font_funcs_set_glyph_v_advances_func (hb_font_funcs_t *ffuncs,
diff --git a/src/hb-version.h b/src/hb-version.h
index c5092c7..7406ea8 100644
--- a/src/hb-version.h
+++ b/src/hb-version.h
@@ -38,9 +38,9 @@
 
 #define HB_VERSION_MAJOR 1
 #define HB_VERSION_MINOR 8
-#define HB_VERSION_MICRO 5
+#define HB_VERSION_MICRO 6
 
-#define HB_VERSION_STRING "1.8.5"
+#define HB_VERSION_STRING "1.8.6"
 
 #define HB_VERSION_ATLEAST(major,minor,micro) \
 	((major)*10000+(minor)*100+(micro) <= \