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

Use the prompt() method from ExtUtils::MakeMaker/Module::Build.

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 '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: Tangram, Tangram::AbstractArray, Tangram::AbstractHash, Tangram::AbstractSet, Tangram::AbstractStorage, Tangram::Array, Tangram::Coll, Tangram::Core, Tangram::Cursor, Tangram::DMDateTime, Tangram::Dialect, Tangram::Dialect::Mysql, Tangram::Dialect::Sybase, Tangram::Expr, Tangram::FlatArray, Tangram::FlatHash, Tangram::Hash, Tangram::IntrArray, Tangram::IntrHash, Tangram::IntrSet, Tangram::PerlDump, Tangram::RawDate, Tangram::RawDateTime, Tangram::RawTime, Tangram::Ref, Tangram::RelationalSchema, Tangram::Scalar, Tangram::Schema, Tangram::Set, Tangram::Type

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.