All of that is awesome, and makes for a better product. But it’s also primarily an engineering effort. What matters here is an increase in intelligence. And we’re not seeing that aside from very minor capability increases.
We’ll see if they have another flagship model ready to launch. I seriously doubt it. I suspect that this was supposed to be called GPT-5, or at the very least GPT-4.5, but they can’t meet expectations so they can’t use those names.