cpan-listchanges

  # See what's changed in Plack between your local and the latest on CPAN
  cpan-listchanges Plack
  # See what's changed for URI between 1.56 and 1.58 (Use @ and ..)
  cpan-listchanges URI@1.56..1.58
  # See what's changed for Plack 0.9965 and CPAN current (Use HEAD for the latest)
  cpan-listchanges Plack@0.9965..HEAD
  # See the whole changelog for Catalyst::Runtime
  cpan-listchanges --all Catalyst::Runtime
  # See what's changed for modules that require upgrades
  cpan-listchanges `cpan-outdated -p`

-a, --all

Displays the whole content of Changes, without version comparison.

App::cpanminus App::cpanoutdated