diff --git a/NEWS b/NEWS
index e94c6a893..fc11acc4c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+Overview of changes leading to 8.4.0
+Monday, May 13, 2024
+====================================
+- API for partial instancing is now stable and have been promoted out of
+  experimental APIs.
+- Support instancing “BASE” table.
+- Speedup AAT shaping by 13–30%.
+- Various build fixes.
+- Various subsetter and instancer fixes.
+
+- New API
++HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS
++hb_subset_input_get_axis_range()
++hb_subset_input_pin_axis_location()
+
 Overview of changes leading to 8.4.0
 Saturday, March 29, 2024
 ====================================
diff --git a/configure.ac b/configure.ac
index 40f5994e8..2efadb9cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([HarfBuzz],
-        [8.4.0],
+        [8.5.0],
         [https://github.com/harfbuzz/harfbuzz/issues/new],
         [harfbuzz],
         [http://harfbuzz.org/])
diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index cd4c5f00b..263ffd1a7 100644
--- a/docs/harfbuzz-docs.xml
+++ b/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-8-5-0"><title>Index of new symbols in 8.5.0</title><xi:include href="xml/api-index-8.5.0.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-8-4-0"><title>Index of new symbols in 8.4.0</title><xi:include href="xml/api-index-8.4.0.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-8-3-1"><title>Index of new symbols in 8.3.1</title><xi:include href="xml/api-index-8.3.1.xml"><xi:fallback /></xi:include></index>
       <index id="api-index-8-2-0"><title>Index of new symbols in 8.2.0</title><xi:include href="xml/api-index-8.2.0.xml"><xi:fallback /></xi:include></index>
diff --git a/meson.build b/meson.build
index fed3dc055..d8d8424e7 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('harfbuzz', 'c', 'cpp',
   meson_version: '>= 0.55.0',
-  version: '8.4.0',
+  version: '8.5.0',
   default_options: [
     'cpp_eh=none',          # Just to support msvc, we are passing -fno-exceptions also anyway
     # 'cpp_rtti=false',     # Do NOT enable, wraps inherit it and ICU needs RTTI
diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index 92f4994cc..8974755a7 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -537,7 +537,7 @@ hb_subset_input_pin_axis_location (hb_subset_input_t  *input,
  *
  * Return value: `true` if success, `false` otherwise
  *
- * XSince: REPLACEME
+ * Since: 8.5.0
  **/
 HB_EXTERN hb_bool_t
 hb_subset_input_set_axis_range (hb_subset_input_t  *input,
@@ -576,7 +576,7 @@ hb_subset_input_set_axis_range (hb_subset_input_t  *input,
  *
  * Return value: `true` if a range has been set for this axis tag, `false` otherwise.
  *
- * XSince: REPLACEME
+ * Since: 8.5.0
  **/
 HB_EXTERN hb_bool_t
 hb_subset_input_get_axis_range (hb_subset_input_t  *input,
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 856521bae..365c21a63 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -74,7 +74,7 @@ typedef struct hb_subset_plan_t hb_subset_plan_t;
  * @HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE: If set don't perform glyph closure on layout
  * substitution rules (GSUB). Since: 7.2.0.
  * @HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS: If set perform IUP delta optimization on the
- * remaining gvar table's deltas. XSince: REPLACEME
+ * remaining gvar table's deltas. Since: 8.5.0
  * @HB_SUBSET_FLAGS_IFTB_REQUIREMENTS: If set enforce requirements on the output subset
  * to allow it to be used with incremental font transfer IFTB patches. Primarily,
  * this forces all outline data to use long (32 bit) offsets. Since: EXPERIMENTAL
diff --git a/src/hb-version.h b/src/hb-version.h
index 68681874c..abffbdae9 100644
--- a/src/hb-version.h
+++ b/src/hb-version.h
@@ -47,7 +47,7 @@ HB_BEGIN_DECLS
  *
  * The minor component of the library version available at compile-time.
  */
-#define HB_VERSION_MINOR 4
+#define HB_VERSION_MINOR 5
 /**
  * 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 "8.4.0"
+#define HB_VERSION_STRING "8.5.0"
 
 /**
  * HB_VERSION_ATLEAST: