perldelta for close(STDOUT) for a popen(STDOUT) on Win32

Author: tonycoz

pod/perldelta.pod

@@ -388,6 +388,11 @@ This has now been fixed, and runs as expected. ([GH #23064]).
         say "This line would never run";
     }
 
+=item *
+
+C<close(STDOUT)> when C<STDOUT> has been opened as a pipe will now
+properly wait for the child to exit on Windows.  [GH #4106]
+
 =back
 
 =head1 Known Problems