Revision needs a safety net
The hardest revisions are the ones where you have to break something that already half-works. Writers avoid those revisions for a simple reason: fear of losing the version they had. Without a safety net, 'try the bolder draft' is a gamble.
Version History is that safety net. Rewrite the chapter completely. If the new draft is worse, the old one is right there. The fear that keeps prose timid — that's what this removes. (For the method side, see how to revise a first draft without losing momentum.)
A real differentiator, quietly
Not every AI writing tool keeps version history — Sudowrite, for instance, doesn't — and the ones that do often bury it. Muze Writer treats it as table stakes for serious drafting and keeps it unobtrusive.
Paired with the Muse, it changes how you use AI: accept an aggressive rewrite suggestion, see it in context, and roll back instantly if it didn't land. Generation stops being scary when nothing is permanent.