Add a META.json to the distribution. Your buildtool should be able to autogenerate it.

Add tests or move tests.pl to the t/ directory!

Define the license if you are using in Build.PL. If you are using MakeMaker (Makefile.PL) you should upgrade to ExtUtils::MakeMaker version 6.31.

Add =head1 LICENSE and/or the proper text of the well-known license to the main module in your code.

Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: Dimedis::Ddl, Dimedis::Ddl::Column, Dimedis::Ddl::Config, Dimedis::Ddl::Constraint, Dimedis::Ddl::Index, Dimedis::Ddl::PrimaryKey, Dimedis::Ddl::Reference, Dimedis::Ddl::Table, Dimedis::DdlDriver::Oracle, Dimedis::DdlDriver::Sybase, Dimedis::DdlDriver::dim_mssql, Dimedis::DdlDriver::mysql

This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.

Add SECURITY(.pod|md). See Software::Security::Policy.

Add SECURITY(.pod|md) and add a contact address. See Software::Security::Policy.

Add CONTRIBUTING(.pod|md). See https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/setting-guidelines-for-repository-contributors.