Fortinet announces that starting October, it will end of support for FortiEDR version 3.x.

All 3.x versions will be end of support by October 1, 2020, with the exception of MacOS Collector v3.1 and Linux Collector v3.1.1

This will impact versions including 

Any backend component (Management, Core, Aggregator and Repository): v3.x and all previous versions

Host (collectors):

Windows enSilo Collector: v3.0, v3.1, v3.1.1 and all previous versions

MacOS enSilo Collector: v3.0.1 and all previous versions

Linux enSilo Collector: v2.6 and all previous versions

Read this FAQ to get the details and how to upgrade.