diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 712229cd11565..a919f3a71c9cf 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -678,6 +678,12 @@ Improvements to Clang's diagnostics
 - Clang now accepts ``@tparam`` comments on variable template partial
   specializations. (#GH144775)
 
+- Fixed a bug that caused diagnostic line wrapping to not function correctly on
+  some systems. (#GH139499)
+
+- Clang now tries to avoid printing file paths that contain ``..``, instead preferring
+  the canonical file path if it ends up being shorter.
+
 Improvements to Clang's time-trace
 ----------------------------------