ASWebAuthenticationSession issue on iOS 18 simulator

We have some third-party SDKs do not support arm64 simulator, so we excluded arm64 for Any iOS Simulator SDK in Excluded Architectures. But in this case, ASWebAuthenticationSession will display abnormally.

We submitted FB14853757 during the beta period, but have not received any response. This issue still exists in the official version. I hope it can be resolved. Thank you!

Your best course of action would be to follow up with your 3rd parties for support with this.

Not really, there are tons of 3rd parties out there that require to exclude arm64 simulator support. I have the exact same issue for a few days now and the problem occurs with ASWebAuthenticationSession and also with SFAuthenticationSession. It wasn't an issue in XCode 15.4, but it's an issue in XCode 16.

I dug in the code of one such framework and as soon as you call "start" on those sessions, they get stuck like in the image above.

We cannot update all the 3rd parties to support arm64 sims, nor is this an official requirement.

Basically this kills all Intel based macs, which don't even have arm64.

I agree with @dev-ios this is a big issue. I hope apple will provide some solution soon.

We're having this same issue as well— it sounds like it may share a root cause with a similar issue that has been reported on SFSafariViewController (same behavior, same versions) https://forums.developer.apple.com/forums/thread/764468

I agree with others that this is a big issue

Hi @allensuncp, did you find a workaround solution for this issue? I'm facing the same problem.

ASWebAuthenticationSession issue on iOS 18 simulator
 
 
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