How Much or How Little Changes Can You Make Without Splitting Your Dialects

I don't think we could answer how much or how little changes you can do without splitting your dialect off into a different language language. It's hard it depends on how you would want to present your language if you are presenting it in universe all over the world there's people who traditionally consider things uh dialects that are actually different languages so right right umUm and again I'm making the assumption that you're starting with the intention of eventually doing this okay can I add  the fun thing about this is in addition to a way to generate dialects even if you don't feel like generating multiple dialects now starting with going back a little bit back in time becomes a way to Generate