C++ migrating old code to new engine version

I updated rocket to newest version. I also managed to migrate pretty much entire project to it.
I recompiled solution with Visual Studio using the new engine version.

The problem is when I open my project in rocket the C++ classes are not loaded.

Is there antyhing special I should to to make them available inside Rocket ?

Nevermind. It so happen that regenerating project changed my build type to development from debug (and I was building project in Debug mode).

If someone encounter similiar issue check it first.