- Make the Optional::Dependencies error messages cpanm-friendly
- Incompatibly change values (not keys) of the hash returned by
Optional::Dependencies::req_group_list (no known users in the wild)
- - Protect tests and codebase from incomplete caller() overrides, like
- e.g. RT#32640
- Stop using bare $] throughout - protects the codebase from issues
similar (but likely not limited to) P5#72210
- Config::Any is no longer a core dep, but instead is migrated to a new