The contents changed more than you might think. I revised something in at least 90% of the paragraphs of the book. Most of those changes were to improve organization and clarity.

Yeah, but the only new material appears to be two about two pages worth of 5.14 info

IO::File autoloading

package Pinball::Wizard v1969.3.7
{
    my $new_lexical_scope = 1;
...
}
[download]

non-destructive modifier /r for tr///r s///r

Perl 5.14 supports Unicode 6.0.

automatic dereferencing  push $arrayref, qw( list of values );

use feature ':514';

If you've read the old version and perl5140delta you're up to date.