The distribution hasn't got a Changelog (named something like m/^chang(es?|log)|history$/i. A Changelog helps people decide if they want to upgrade to a new version.
Add a Changelog (best named 'Changes') to the distribution. It should list at least major changes implemented in newer versions.
|has license in source file||
Does not have license information in any of its source files
Add =head1 LICENSE and the text of the license to the main module in your code.
|manifest matches dist||
MANIFEST does not match the contents of this distribution.
Run a proper command ("make manifest" or "./Build manifest", maybe with a force option), or use a distribution builder to generate the MANIFEST. Or update MANIFEST manually.
|prereq matches use||
This distribution uses a module or a dist that's not listed as a prerequisite.
List all used modules in META.yml requires
|metayml declares perl version||
This distribution does not declare the minimum perl version in META.yml.
|has known license in source file||
Does not have license information in any of its source files, or the information is not recognized by Software::License
Add =head1 LICENSE and/or the proper text of the well-known license to the main module in your code.
These fails are not serious and don't affect your Kwalitee scores at all.
|metayml has provides||
This distribution does not have a list of provided modules defined in META.yml.
Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build does this automatically for you.