v20.0.17

Overview

This is a maintanance release with small bugfixes, code cleanup, documentation improvements and a better overall PHPStan coverage.
We're also bumping the minimum required PHP version to 7.3 with intl extension enabled.
Our source code finally has a much better "copyright" section, to thank all the team that is contributing to this beautiful project.

Important things you should check before upgrading

This release requires PHP 7.3 with intl extension, do not upgrade if your system doesn't match this requirement.

What's Changed

• Make overrides of Mage_Core_Model_Resource_Db_Abstract::delete respect parent api by @midlan in #1257
• Every change included in https://github.com/OpenMage/magento-lts/releases/tag/v19.4.19

Full Changelog: v20.0.16...v20.0.17