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_GraphQlCache

GraphQL Cache provides the ability to cache GraphQL queries. This module allows Magento’s built-in cache or Varnish as the application for serving the Full Page Cache to the front end.