New paid update must bring new features. If there are just bug fixes, then it is still the old version that we already paid for. To charge for bug fixes for functions that were advertised at purchase is unfair in IMO. But, if new functionality is introduced, then paid update is certainly in place. The more new functionality, the higher update price. I’d be happy to pay 200eur for update, if what was new was actually worth 200eur to me. I pay immediately for anything that is worth the investment.