add whatsnew entry

python · methane · Jun 16, 2025 · Jun 16, 2025 · Jun 19, 2025 · Jun 20, 2025
commit b7454fb8f7ab72b39028d8923fcc66baa7051ee4
diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
@@ -171,6 +171,15 @@ tarfile
   and :cve:`2025-4435`.)
 
 
+traceback
+----------
+
+* The keyword only argument ``show_lines=True`` is added to all functions and
+  methods formatting or printing traceback. You can suppress the display of
+  source code lines in the traceback by passing ``show_lines=False``.
+  (Contributed by Inada Naoki in TBD).
+
+
 zlib
 ----