The latest TimeFactor release is v5.0.1[3]. You can download and install it through the Eventide Direct Updater or H9 Control. It's still marked as beta, but we haven't heard of anyone having any issues with it. The only issues that have come up recently have been users not being able to use FactorLib with a v5 TimeFactor release, and due to FactorLibs confusing error messages, people have thought that there TimeFactor wasn't updated successfully.
