diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 6121812d2e3e1d1..3361a7b1415b7db 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -384,6 +384,10 @@ Bug Fixes to C++ Support
 - Fix a crash when an unresolved overload set is encountered on the RHS of a ``.*`` operator.
   (`#53815 <https://github.com/llvm/llvm-project/issues/53815>`_)
 
+- Fixed a regression in CTAD that a friend declaration that befriends itself may cause
+  incorrect constraint substitution.
+  (`#86769 <https://github.com/llvm/llvm-project/issues/86769>`_)
+
 Bug Fixes to AST Handling
 ^^^^^^^^^^^^^^^^^^^^^^^^^