diff --git a/notebooks/ReleaseNotes.ipynb b/notebooks/ReleaseNotes.ipynb
index f6b2f0b9d..7e92c79e4 100644
--- a/notebooks/ReleaseNotes.ipynb
+++ b/notebooks/ReleaseNotes.ipynb
@@ -31,7 +31,8 @@
     "Major changes will show up here as we make them.\n",
     "\n",
     "* Updates to `requirements.txt`, using the latest and greatest third-party modules\n",
-    "* Python 3.9 is no longer supported."
+    "* Python 3.9 is no longer supported.\n",
+    "* In notebooks under Python 3.12, automatic garbage collection would cause a method `_clean_thread_parent_frames()` to be executed with certain functions, interfering with tracing and dynamic analysis. This is now disabled."
    ]
   },
   {