User blog comment:Sarah Manley/Try the New Wikia Editor/@comment-3235402-20110711211254/@comment-126761-20110712141924

It is planned as a replacement, yes. The previous design(s) was a forest of various implementations done at different times - difficult to bug fix and difficult to develop further. We don't want to break anyone's previous workflows, which is why we're in labs and listening to feedback :)