PHP 7.3 reaches end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in April 2022. We strongly recommend planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.

Magento_Multishipping

Magento\Multishipping module provides functionality that allows customer to request shipping to more than one address using different carriers. The module provides alternative to standard checkout flow.