The fact that they've done this for multiple other products built on FOSS projects is a pretty good indicator it can happen. Aurora is a good example that's ex

The fact that they've done this for multiple other products built on FOSS projects is a pretty good indicator it can happen. Aurora is a good example that's explicitly marketed that it's a different core storage engine, but they definitely make many modifications to the projects they're building on top of, but what kinds of changes really varies.