Issue #10478: Reentrant calls inside buffered IO objects (for example by
way of a signal handler) now raise a RuntimeError instead of freezing the
current process.
diff --git a/Misc/NEWS b/Misc/NEWS
index 0349ef2..b0221cb 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,10 @@
 Library
 -------
 
+- Issue #10478: Reentrant calls inside buffered IO objects (for example by
+  way of a signal handler) now raise a RuntimeError instead of freezing the
+  current process.
+
 - logging: Added getLogRecordFactory/setLogRecordFactory with docs and tests.
 
 - Issue #10549: Fix pydoc traceback when text-documenting certain classes.