#10680: fix mutually exclusive arguments in argument groups.
diff --git a/Misc/NEWS b/Misc/NEWS
index 80c4639..c58114a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -91,6 +91,9 @@
 - Issue #10961: The new pydoc server now better handles exceptions raised
   during request handling.
 
+- Issue #10680: Fix mutually exclusive arguments for argument groups in
+  argparse.
+
 Build
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