The phrase "modern Perl" is thrown around a lot, but its meaning is kind of vague. We try to explore what that might mean here.

• various changes to the core Perl language over time
  • various modules added to the Perl core over time
• avoiding features that are officially designated as "deprecated", "discouraged", or "removed"
  • also features that are officially designated as "experimental"
• several things published by chromatic:
  • Modern::Perl, a module that "enables all of the features of modern Perl with one import" (alternatives — App::GHPT::Wrapper::Ourperl)
  • Modern Perl, a book whose fourth edition was published in Nov 2015
  • the blog associated with the book
• various best practices promulgated by a variety of organizations