12.1 Support Matrix

You must update to the latest 3.4.x patch version before upgrading to 4.0.

Source Version

Status

Server

4.0 with latest patch

Supported

3.4.x with latest patch

Supported

3.3.x or earlier versions

Not Supported. Upgrade to 3.4.x

Client

3.4.x

Supported

 

3.3.x or earlier versions

Not Supported. Upgrade to 3.4.x