That is certainly not a requirement for "ownership", no.
> And, if you stop paying after you "upgraded" the license, you lose access to the thing you bought?
What part of "nobody else changes it–for better or worse–out from under you" is unclear?
For software I wouldn't expect new features but bug fixes seem almost legislatable.
That is certainly not a requirement for "ownership", no.
> And, if you stop paying after you "upgraded" the license, you lose access to the thing you bought?
What part of "nobody else changes it–for better or worse–out from under you" is unclear?