Issue #14300: Under Windows, sockets created using socket.dup() now allow overlapped I/O.
Patch by sbt.
diff --git a/Misc/NEWS b/Misc/NEWS
index 3423856..a893f6b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -37,6 +37,9 @@
 Library
 -------
 
+- Issue #14300: Under Windows, sockets created using socket.dup() now allow
+  overlapped I/O.  Patch by sbt.
+
 - Issue #13872: socket.detach() now marks the socket closed (as mirrored
   in the socket repr()).  Patch by Matt Joiner.