As noted on our Software and Platform Lifecycle page, Percona Server for MongoDB 3.4 reached end of life on January 31, 2020. According to the Percona Services Lifecycle Policy, customers with an active support contract with Percona will continue receiving support; however, end-of-life software receives no new builds, bug fixes, security fixes, or features.

Each software package Percona produces has a defined migration pathway for upgrading to a newer version. If you are currently running Percona Server for MongoDB 3.4, we encourage you to upgrade to version 3.6 or newer. Please reach out to us if you need assistance in migrating to a newer release, Percona is happy to help.