Is the Recorded Future Add-on for Splunk ES 4.0.5 compatible with Splunk 7.3 and ES 5.3?

[lqiao2]

Hi,

I see this add-on version 4.0.5 is only compatible with Splunk 7.2. So I would like if it is compatible with 7.3 and ES 5.3.

Thank you.