M2 Release Notes: https://github.com/algolia/algoliasearch-magento-2/releases
FIRST Please identify your version of the Magento extension. If you are not on the current release of the extension, please upgrade to the latest version as it can resolve any issues you might be having.
Magento 2 Resources
Troubleshooting Guide: https://www.algolia.com/doc/integration/magento-2/troubleshooting/technical-troubleshooting/?language=php
Last reviewed 29-04-22.