My theory: Opus 5(.1) was meant to replace Fable 5 for most dev work. It would be cheaper and bench nearly as well.
My guess is that it didn’t perform as well as they hoped, and the delays on Fable were attempts to improve the new Opus.
I would *guess* we’ll still see a be Opus in the next few weeks.
Disclaimer: this is 100% speculation and I have zero insider knowledge