Magento 2 - Fix Missing Products & Search After Upgrading to Elasticsearch 8
What this guide fixes If, after upgrading Magento 2.4.6+ to use Elasticsearch 8, your product catalog pages show zero products or your search is broken, this post walks through the configuration steps required to fix it - including reindexing, enabling the right modules, and updating Elasticsearch settings. This page is for developers and sysadmins who already maintain a Magento 2 store and need a quick, practical fix for Elasticsearch 8 compatibility issues. ...