I've been immersed in Fable 5 these past few days, overhauling half a year's worth of accumulated agent workflows:

7 parallel agent audits uncovered 24 issues—three configurations contradicting each other, a memory service that had been dead for two months still being referenced by rules, and a security guard that never actually blocked anything.
Then I fixed them all the way through, trimming the rules by 62%, and merging all the skill forks scattered across four tools into one.
This kind of work used to take me a week on my own, and even then I might not dare to touch the core configuration.
This time, I just made the calls on the sidelines, and it ran everything itself, attaching verification evidence at every step.
Fable is really great to use, but it's expensive. What's worse, I won't be able to use it in a couple of days—just as I'm getting the hang of it, I have to give it back, which is more torturous than never having it at all.
I heard that the Cursor subscription includes a little bit of Fable quota, but it's a drop in the bucket. I guess I'll have to make do with that then.
The generational gap in tools is real—once you've used them, there's no going back.