As a counterpoint, when you change the insides, no one notices: https://devblogs.microsoft.com/oldnewthing/20040525-00/?p=39... >And with Calc, that’s exactly what happened: Massive technical improvements. No visual improvement. And nobody noticed. In fact, the complaints just keep coming. “Look at Calc, same as it always was.”
If nobody notices massive technical internal improvements, that tells me that what was improved wasn't of great importance to the user in the first place. Perhaps those technical improvements were a waste of time, but perhaps those technical improvements benefited development without adversely impacting users. That would be an enormous "win" in my book. > Anyway, my point is that—whether you like it or not—if you don…
To quote the users: "but why should I pay for bug fixes?"
User-noticeable change is essential.