diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 13c587228bb1e..da2e7ac47553e 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -682,6 +682,8 @@ LoongArch Support
 
 - Patchable function entry (``-fpatchable-function-entry``) is now supported
   on LoongArch.
+- Unaligned memory accesses can be toggled by ``-m[no-]unaligned-access`` or the
+  aliases ``-m[no-]strict-align``.
 
 RISC-V Support
 ^^^^^^^^^^^^^^
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 6efc991ff509e..3e070b2ebdfa1 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -173,6 +173,8 @@ Changes to the LoongArch Backend
 --------------------------------
 
 * The ``lp64s`` ABI is supported now and has been tested on Rust bare-matal target.
+* A target feature ``ual`` is introduced to allow unaligned memory accesses and
+  this feature is enabled by default for generic 64-bit processors.
 
 Changes to the MIPS Backend
 ---------------------------