I've had AI totally fail several times on Swift concurrency issues, i.e. threads deadlocking or similar issues. I've also had AI totally fail on memory usage is

I've had AI totally fail several times on Swift concurrency issues, i.e. threads deadlocking or similar issues. I've also had AI totally fail on memory usage issues in Swift. In both cases I've had to go back to reasoning over the bugs myself and debugging them by hand, fixing the code by hand.