There doesn't seem to be any advantage really to having it on separate domains. Is there any reason you'd think it's easier to focus on paid users if it's on a

There doesn't seem to be any advantage really to having it on separate domains. Is there any reason you'd think it's easier to focus on paid users if it's on a separate domain? There's other options, a private support forum (or forum section) for paid users, priority support (just highlight tickets or emails from paid users). While it might be "easy" to export and import your data from free to paid, it's still an extra step, and much more annoying than just automatically having the new version available.