tl;dr: if your module is shipped with Module::Install 1.04 bundled, it will cause issues with perl 5.16 and creates bad MYMETA depending on a devel release of MakeMaker. Package the latest Module::Install and ship to CPAN? kthxbye A module bundling Module::Install 1.04 (exactly the version 1.04) has a fix from me to detect a correct version of MakeMaker you’re running. Unfortunately that fix uncov