Maybe these also, if so inclined:
- new perlperf man page that looks interesting: http://search.cpan.org/~jesse/perl-5.11.0/pod/perlperf.pod
- 'use 5.11.0' also implies 'use strict' now, yay: http://search.cpan.org/~jesse/perl-5.11.0/pod/perl5110delta....
http://search.cpan.org/~jesse/perl-5.11.0/pod/perl5110delta....
http://search.cpan.org/~jesse/perl-5.11.0/pod/perlop.pod#Yad...
http://www.modernperlbooks.com/mt/2009/10/why-perl-5110-matt...