With NF_DEV defined as TRUE (similar to WP_DEBUG), developers can enable the Mock Data submenu on the sidebar under Ninja Forms ( Forms -> Mock Data ). Accessing the Mock Data submenu will clear the Ninja Forms 3.0-compatible database tables and …

Starting with plugin version 2.9.34, Ninja Forms ships with both the 3.0 and 2.9.x codebases for backward compatibility. The deprecated 2.9.x codebase will ship with Ninja Forms for 1 years time to give users time to update custom code, etc. …