Issue #9450:  Fix memory leaks in readline.remove/replace_history_entry.
diff --git a/Misc/NEWS b/Misc/NEWS
index 3797380..9382011 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -21,6 +21,9 @@
 Extensions
 ----------
 
+- Issue #9450: Fix memory leak in readline.replace_history_item and
+  readline.remove_history_item for readline version >= 5.0.
+
 - Issue #8105: Validate file descriptor passed to mmap.mmap on Windows.
 
 - Issue #8046: Add context manager protocol support and .closed property