xpages - X pages build issue in lotus domino 8.5.2 -

I am using Lotus Notes 8.5.2 and I am using X pages in one of my projects. Whenever we make changes in custom control, do we need to build a project every time?

You want to test your changes.

So whenever you make changes, you do not have to build the project, but whenever you want to test your changes.

Designer to compile the source code (your XPages, custom controls, etc.) in the Java byte-code This is a Java byte-code that runs on the Domino server when you access your app.