PHP 7.3 reached end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in September 2022. You may want to consider planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.
ElasticsearchCatalogPermissions
Magento\ElasticsearchCatalogPermissions module allows to use Elastic search engine for product searching capabilities in case if Magento\CatalogPermissions module is also enabled. The module implements Magento\Search library interfaces.