You can switch the old behaviour back on by passing -debug to the use CGI statement.

use CGI qw(:standard -debug);
[download]

See the CGI,pm docs at
http://search.cpan.org/doc/LDS/CGI.pm-2.753/cgi_docs.html#debugging for details.

--
<http://www.dave.org.uk>

"Perl makes the fun jobs fun
and the boring jobs bearable" - me