TLS Disablement - I keep getting notifications from Authorize.net about this

Is JotForm ready for this upgrade so we can still use our payment gateway?

JotForm does support the latest payment standards and also the latest security features.

There should be no problem while doing the migration on 18.09.2017.  Here is a related thread with a follow up from one of the developers:

https://www.jotform.com/answers/1136371-TLS-support-update-for-authorize-net