perlhist Perl history records
perldelta Perl changes since previous version
+ perl5213delta Perl changes in version 5.21.3
+ perl5212delta Perl changes in version 5.21.2
perl5211delta Perl changes in version 5.21.1
perl5210delta Perl changes in version 5.21.0
perl5200delta Perl changes in version 5.20.0
+ perl5201delta Perl changes in version 5.20.1
perl5182delta Perl changes in version 5.18.2
perl5181delta Perl changes in version 5.18.1
perl5180delta Perl changes in version 5.18.0