Got visionOS to work using the same steps
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Haha, omg, I see what you mean by 900 attempts.
So I got it to work!
Not sure which parts are necessary, but here we go. I tried rifling through macOS Settings in Security & Privacy but got nowhere.
I'll add a Reply below, rather than a comment, with instructions
Thanks! When I try this for iOS 7 simulator (I haven't tried it for visionOS yet), I got all through your steps, except whenever I re-open Xcode beta, I get a never-ending prompts for "“iOS 17.0.simruntime” cannot be opened because the developer cannot be verified."
When I hit cancel, it pops up again, ad infinitum.
Running the update_dyld_sim_shared_cache makes them stop, but opening Xcode brings them up again (and I have to force-quit Xcode). Maybe I missed something?