Perl does have a fair few quirks but those that know it are probably content for it to stay the way it is and those who don't like it have probably moved to another language.

Personally, I don't like a major version of a programming language making major breaking changes because upgrading a programming language is not at all like upgrading an app.

Would it be so bad of them just to keep Perl as it is and imagine the 'new shiny' and give that a new name - maybe Porl or something?