Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -828,10 +828,17 @@
 Objective-C Language Changes in Clang
 -------------------------------------
 
-OpenCL C Language Changes in Clang
+OpenCL Kernel Language Changes in Clang
 ----------------------------------
 
-...
+- Improved diagnostics for C++ templates used in kernel arguments.
+- Removed redundant pragma for the ``arm-integer-dot-product`` extension.
+- Improved support of enqueued block for AMDGPU.
+- Improved builtin functions support:
+  * Allow disabling default header-based feature/extension support by passing ``-D__undef_<feature>``.
+  * Fixed conditional definition of the depth image and read_write image3d builtins.
+  * Added ``nounwind`` attribute implicitly to all functions.
+
 
 ABI Changes in Clang
 --------------------