TextExpander 4 will no longer be available in the Applications Store because of Apple's Sandboxing Rules.
But the upgrade price is honored, even if you bought your version in the Application Store. Bare Bones Software would have been better advised to take this course, and to forget about Apple's iCloud. And not just because Apple has proven in the past to be be rather fickle in offering "services" like MobileMe. In any case, I will not update Yojimbo.