"Rougher edges" refers to imperfections, flaws, or aspects of something that are not completely polished or refined. It suggests that there are areas that could use improvement or that are not as smooth or perfect as they could be. Full definition
Rather, it's about how companies mature and markets sand off rough edges of any company that wants to stay around. (beervanablog.com)
I think it was really fun to watch, she has a great sense of humor and as a developer it was insanely useful for seeing rough edges in my design. (pipeanimus.falldeaf.com)
What few rough edges were present in the old model have been addressed in the new one. (articles.orlandosentinel.com)