I haven't used Astra or Fable much. It's because Opus 4.8 is doing everything I need and I feel confident in using it. Why fix what's not broken? The model isn't the limiting factor for me right now.

I just wrote about my process [1] and I fully agree that the more tied you are to existing approaches to software engineering the more trouble you will have.

[1] https://jaisenmathai.com/articles/sojourn-for-ios-was-45-one...