See also the L<POSIX> enhancements.
+=head1 Security
+
+=head2 Perl is now compiled with -fstack-protector-strong if available
+
+Perl has been compiled with the anti-stack-smashing option
+C<-fstack-protector> since 5.10.1. Now Perl uses the newer variant
+called C<-fstack-protector-strong>, if available.
+
=head1 Incompatible Changes
=head2 Changes to the C<*> prototype
Now it has been changed, so subroutines always take precedence over barewords,
which brings it into conformity with similarly prototyped built-in functions:
- sub splat($) { ... }
+ sub splat(*) { ... }
sub foo { ... }
splat(foo); # now always splat(foo())
splat(bar); # still splat('bar') as before