diff --git a/api/cl_khr_external_memory_win32.asciidoc b/api/cl_khr_external_memory_win32.asciidoc
index 005c9278f..fb18ff470 100644
--- a/api/cl_khr_external_memory_win32.asciidoc
+++ b/api/cl_khr_external_memory_win32.asciidoc
@@ -6,7 +6,7 @@ include::{generated}/meta/{refprefix}cl_khr_external_memory_win32.txt[]
 === Other Extension Metadata
 
 *Last Modified Date*::
-    2024-03-15
+    2024-06-11
 *IP Status*::
     No known IP claims.
 *Contributors*::
@@ -40,6 +40,7 @@ image memory object.
   * {cl_external_memory_handle_type_khr_TYPE}
   ** {CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR}
   ** {CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KMT_KHR}
+  ** {CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_NAME_KHR}
 
 === Version History
 
@@ -57,3 +58,6 @@ image memory object.
      (provisional).
   * Revision 1.0.0, 2024-03-15
   ** First non-provisional version.
+  * Revision 1.1.0, 2024-06-11
+  ** Added {CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_NAME_KHR}.
+
diff --git a/api/cl_khr_external_semaphore_win32.asciidoc b/api/cl_khr_external_semaphore_win32.asciidoc
index 725a59966..543741d3c 100644
--- a/api/cl_khr_external_semaphore_win32.asciidoc
+++ b/api/cl_khr_external_semaphore_win32.asciidoc
@@ -6,7 +6,7 @@ include::{generated}/meta/{refprefix}cl_khr_external_semaphore_win32.txt[]
 === Other Extension Metadata
 
 *Last Modified Date*::
-    2021-09-10
+    2024-06-11
 *IP Status*::
     No known IP claims.
 *Contributors*::
@@ -39,8 +39,11 @@ introduced by {cl_khr_external_semaphore_EXT}.
   * {cl_external_semaphore_handle_type_khr_TYPE}
   ** {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KHR}
   ** {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KMT_KHR}
+  ** {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR}
 
 === Version History
 
   * Revision 0.9.0, 2021-09-10
   ** Initial version (provisional).
+  * Revision 0.9.1, 2024-06-11
+  ** Added {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR}.
diff --git a/api/opencl_runtime_layer.asciidoc b/api/opencl_runtime_layer.asciidoc
index 049a00505..276b56d2c 100644
--- a/api/opencl_runtime_layer.asciidoc
+++ b/api/opencl_runtime_layer.asciidoc
@@ -5666,6 +5666,16 @@ buffer or an image memory object from an external handle:
     It does not own a reference to the underlying memory resource
     represented by its memory object, and will therefore become invalid when
     all memory objects associated with it are destroyed.
+  * {CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_NAME_KHR_anchor} specifies an NT handle name that
+    has only limited valid usage outside of OpenCL and other compatible
+    APIs.
+    NT handle name is a null-terminated UTF-16 string naming the payload to import.
+    It must be compatible with the functions `DuplicateHandle`,
+    `CloseHandle`, `CompareObjectHandles`, `GetHandleInformation`, and
+    `SetHandleInformation`.
+    It owns a reference to the underlying memory resource represented by its
+    memory object.
+
 endif::cl_khr_external_memory_win32[]
 
 For these extensions, importing memory object payloads from Windows handles
@@ -13157,6 +13167,14 @@ a semaphore from an external handle:
     It does not own a reference to the underlying synchronization primitive
     represented by its semaphore object, and will therefore become invalid
     when all semaphore objects associated with it are destroyed.
+  * {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR} specifies an NT handle name that has
+    only limited valid usage outside of OpenCL and other compatible APIs.
+    NT handle name is a null-terminated UTF-16 string naming the payload to import.
+    It must be compatible with the functions `DuplicateHandle`,
+    `CloseHandle`, `CompareObjectHandles`, `GetHandleInformation`, and
+    `SetHandleInformation`.
+    It owns a reference to the underlying synchronization primitive
+    represented by its semaphore object.
 
 endif::cl_khr_external_semaphore_win32[]
 
@@ -13174,6 +13192,12 @@ include::{generated}/api/version-notes/CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KHR.asci
 
 include::{generated}/api/version-notes/CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KMT_KHR.asciidoc[]
   | Reference
+
+| {CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR_anchor}
+
+include::{generated}/api/version-notes/CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR.asciidoc[]
+  | Reference
+    
 endif::cl_khr_external_semaphore_win32[]
 |====
 
diff --git a/xml/cl.xml b/xml/cl.xml
index 12ff3d09a..8dc46339c 100644
--- a/xml/cl.xml
+++ b/xml/cl.xml
@@ -1885,7 +1885,9 @@ server's OpenCL/api-docs repository.
         <enum value="0x2062"        name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KMT_KHR"/>
             <unused start="0x2063" end="0x2066" comment="Reserved to Khronos for interop"/>
         <enum value="0x2067"        name="CL_EXTERNAL_MEMORY_HANDLE_DMA_BUF_KHR"/>
-            <unused start="0x2068" end="0x2FFF" comment="Reserved to Khronos for interop"/>
+        <enum value="0x2068"        name="CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR"/>
+        <enum value="0x2069"        name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_NAME_KHR"/>
+            <unused start="0x206A" end="0x2FFF" comment="Reserved to Khronos for interop"/>
     </enums>
 
     <enums start="0x3000" end="0x3FFF" name="enums.3000" vendor="Khronos" comment="Platform IDs. Allocate individually.">
@@ -7074,13 +7076,14 @@ server's OpenCL/api-docs repository.
                 <command name="clReImportSemaphoreSyncFdKHR"/>
             </require>
         </extension>
-        <extension name="cl_khr_external_semaphore_win32" revision="0.9.0" supported="opencl" depends="CL_VERSION_1_2+cl_khr_semaphore+cl_khr_external_semaphore" ratified="opencl" provisional="true">
+        <extension name="cl_khr_external_semaphore_win32" revision="0.9.1" supported="opencl" depends="CL_VERSION_1_2+cl_khr_semaphore+cl_khr_external_semaphore" ratified="opencl" provisional="true">
             <require>
                 <type name="CL/cl.h"/>
             </require>
             <require comment="cl_external_semaphore_handle_type_khr">
                 <enum name="CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KHR"/>
                 <enum name="CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_KMT_KHR"/>
+                <enum name="CL_SEMAPHORE_HANDLE_OPAQUE_WIN32_NAME_KHR"/>
             </require>
         </extension>
         <extension name="cl_khr_external_memory" revision="1.0.0" supported="opencl" depends="CL_VERSION_3_0" ratified="opencl">
@@ -7126,13 +7129,14 @@ server's OpenCL/api-docs repository.
                 <enum name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_FD_KHR"/>
             </require>
         </extension>
-        <extension name="cl_khr_external_memory_win32" revision="1.0.0" supported="opencl" depends="CL_VERSION_3_0+cl_khr_external_memory" ratified="opencl">
+        <extension name="cl_khr_external_memory_win32" revision="1.1.0" supported="opencl" depends="CL_VERSION_3_0+cl_khr_external_memory" ratified="opencl">
             <require>
                 <type name="CL/cl.h"/>
             </require>
             <require comment="cl_external_memory_handle_type_khr">
                 <enum name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KHR"/>
                 <enum name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_KMT_KHR"/>
+                <enum name="CL_EXTERNAL_MEMORY_HANDLE_OPAQUE_WIN32_NAME_KHR"/>
             </require>
         </extension>
         <extension name="cl_intel_sharing_format_query" revision="0.0.0" supported="opencl">