in reply to Perl 7 will be out ...
Directly after Perl 5.99 - and the only reason to start with Perl 7.0 will be an obscure 2-digit-limit on the minor index. ;-)
Are you sure?
$ perl -M5.100
Perl v5.100.0 required (did you mean v5.10.0?)--this is only v5.33.9,