In one project I added an extension (CoC) of a form, overrode its formCursor() method. It's a small project with this one object. Now after I built the project, I did a throughout test, it works like a charm. But after a day (don't know the exact time gap here) I have to build it again to see the change in the system. I once doubted that is because the project was not correctly built in dev instance and I got the latest metadata and overrode my built version, but it happens even when I don't get the latest changes to my local VM. Any suggestions?