Feedback wanted: confusing concurrency diagnostic messages

[tomhamming]

Here's one that doesn't make very clear what the underlying problem is:

How do I solve "task-isolated value...passed as strongly transferred parameter" warning?

I'm in Xcode 16 beta 5. I've got this code: @objc class func fetch(product: StoreListProduct, completion: @escaping @Sendable (AppStoreProduct?) -> Void) { Task { let result = await AppStoreProduct.product(forListProduct: product) DispatchQueue.main.async { completion(result) } } } For context: I am moving to StoreKit 2 in a largely Objective-C codebase. StoreListProduct is an Objective-C class that wraps an NSDictionary …