perlhist Perl history records
d perldelta Perl changes since previous version
-D perl5113delta Perl changes in version 5.11.3
+D perl5114delta Perl changes in version 5.11.4
+ perl5113delta Perl changes in version 5.11.3
perl5112delta Perl changes in version 5.11.2
perl5111delta Perl changes in version 5.11.1
perl5110delta Perl changes in version 5.11.0