diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 7cdc69e93445b1..ceb7fc534017ee 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -1239,6 +1239,8 @@ Windows Support
   to ensure compatibility with msvc. Previously strict aliasing was only disabled if the
   driver mode was cl.
 
+- Clang now passes relevant LTO options to the linker (LLD) in MinGW mode.
+
 LoongArch Support
 ^^^^^^^^^^^^^^^^^
 
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index a81caa160883d8..3e32a3d3a6d0ad 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -422,6 +422,19 @@ Changes to the LLVM tools
   be disabled by ``--no-verify-note-sections``. (`#90458
   <https://github.com/llvm/llvm-project/pull/90458>`).
 
+* llvm-rc and llvm-windres now accept file path references in ``.rc`` files
+  concatenated from multiple string literals.
+
+* The llvm-windres option ``--preprocessor`` now resolves its argument
+  in the PATH environment variable as expected, and options passed with
+  ``--preprocessor-arg`` are placed before the input file as they should
+  be.
+
+* The llvm-windres option ``--preprocessor`` has been updated with the
+  breaking behaviour change from GNU windres from binutils 2.36, where
+  the whole argument is considered as one path, not considered as a
+  sequence of tool name and parameters.
+
 Changes to LLDB
 ---------------------------------
 
@@ -445,6 +458,8 @@ Changes to BOLT
   binary functions with exact hash, allowing for the matching of renamed but
   identical functions.
 
+* On Windows, LLDB can now read the thread names.
+
 Changes to Sanitizers
 ---------------------