Have you had a lot of people that aren't you try to break the living hell out of it? Especially those not familiar with the usual workflow? Especially those that take pride in destroying things?
If it can pass that, and you're confident going forward from there, then I would think it's ready.
No problem. A couple buddies and I take turns trying to wreak havoc on each other's software when it comes time to ship. It's quite fun and very good for ensuring interface and codebase stability.
If it can pass that, and you're confident going forward from there, then I would think it's ready.