diff --git a/g3doc/quick_reference.md b/g3doc/quick_reference.md
index 52c6305671..b6fd12312d 100644
--- a/g3doc/quick_reference.md
+++ b/g3doc/quick_reference.md
@@ -2801,7 +2801,15 @@ must test the macros of the target *we will call*, e.g. via `hwy::HaveFloat64()`
 instead of `HWY_HAVE_FLOAT64`, which describes the current target.
 
 *   `HWY_IDE` is 0 except when parsed by IDEs; adding it to conditions such as
-    `#if HWY_TARGET != HWY_SCALAR || HWY_IDE` avoids code appearing greyed out.
+    `#if HWY_TARGET != HWY_SCALAR || HWY_IDE` avoids code appearing greyed out.\
+    Note for clangd users: [there is no predefined macros in clangd](https://github.com/clangd/clangd/issues/581),
+    so you must manually add `__CLANGD__` macro so we can detect the presence of
+    clangd. This can be easily done by adding these two lines to your project's 
+    `.clangd` file:
+    ```
+    CompileFlags:
+      Add: [-D__CLANGD__]
+    ```
 
 The following indicate full support for certain lane types and expand to 1 or 0.
 
diff --git a/g3doc/release_testing_process.md b/g3doc/release_testing_process.md
index 2cb8b4ec56..4a1d37f9d5 100644
--- a/g3doc/release_testing_process.md
+++ b/g3doc/release_testing_process.md
@@ -23,6 +23,7 @@ Prepend to debian/changelog and update mentions of the current version in:
 
 *   base.h
 *   CMakeLists.txt
+*   meson.build
 *   MODULE.bazel
 *   g3doc/faq.md
 
diff --git a/hwy/base.h b/hwy/base.h
index 4dff1f805f..ef920cf88a 100644
--- a/hwy/base.h
+++ b/hwy/base.h
@@ -33,7 +33,8 @@
 #include "hwy/detect_compiler_arch.h"
 #include "hwy/highway_export.h"
 
-// API version (https://semver.org/); keep in sync with CMakeLists.txt.
+// API version (https://semver.org/); keep in sync with CMakeLists.txt and
+// meson.build.
 #define HWY_MAJOR 1
 #define HWY_MINOR 3
 #define HWY_PATCH 0
diff --git a/hwy/detect_compiler_arch.h b/hwy/detect_compiler_arch.h
index 5d08c61cca..08d8b3ac59 100644
--- a/hwy/detect_compiler_arch.h
+++ b/hwy/detect_compiler_arch.h
@@ -20,6 +20,11 @@
 // inclusion by foreach_target.h.
 
 // Add to #if conditions to prevent IDE from graying out code.
+// Note for clangd users: There is no predefined macro in clangd, so you must
+// manually add these two lines (without the preceding '// ') to your project's
+// `.clangd` file:
+// CompileFlags:
+//   Add: [-D__CLANGD__]
 #if (defined __CDT_PARSER__) || (defined __INTELLISENSE__) || \
     (defined Q_CREATOR_RUN) || (defined __CLANGD__) ||        \
     (defined GROK_ELLIPSIS_BUILD)
diff --git a/meson.build b/meson.build
index 08bec3addc..806c0212b6 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'hwy',
   'cpp',
-  version: '1.2.0',
+  version: '1.3.0',
   meson_version: '>= 1.3.0',
   license: 'Apache-2.0 OR BSD-3-Clause',
   default_options: [