A: It is compatible with LearnDash 3.2 and above.
A: The existing certificates will continue to work until the Classic Editor option is checked on the settings page (LearnDash – Settings – Certificate Settings – Classic Editor) and under a certificate post screen.
A: No, but you can enable the Classic Editor option which allows a toggle option between the builder and classic editor to copy your certificates easily over to the builder (manually). Note: Do not save post while checking the Classic Editor option in certificate post screen, it will use the classic version when printed.