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It's an iOS beta bug -- see iOS beta release notes :
https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-15-beta-release-notes
Debugging
Known Issues
Using dispatch semaphores in an iOS app running in a device simulator on a Mac with Apple silicon running macOS 11 will cause the app to crash. (81783378)
Workaround: In Xcode, select Product > Scheme > Edit Scheme, then deselect Run > Options > Queue Debugging > “Enable backtrace recording.”
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[SOLVED}
Restarting the phone worked for me. Xcode 12.2 beta 3 + iOS 14.2.
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Having the same issue. SwiftUI. The implementation works nicely in iOS 13.x, but the drops don't work in iOS 14.
I was just trying the accepted answer in a new project, as-is, but it doesn't work.
The item looks like it's going to drag, but you can't drop it anywhere -- it just reverts back to its source.
Running Xcode 12.0.1 with iOS 13.x.
Thoughts?
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I found the solution to this based on some help from Ted Jucevic @ Apple (thanks Ted!).The problem was the entitlements file was corrupted.Here it is as xml: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key></key> <array> <string></string> </array> <key>com.apple.security.files.user-selected.read-write</key> <true/> <key>com.apple.security.network.server</key> <true/> <key>com.apple.security.personal-information.location</key> <true/> <key>com.apple.security.app-sandbox</key> <true/> <key>com.apple.security.network.client</key> <true/> </dict> </plist>As you can see, right at the top, there is an empty item: <key></key> <array> <string></string> </array>This was probably supposed to be a keychain-access-groups entitlement.Anyway, deleting that bogus entry above resolved it, and I am now able to build-and-run on device again. I have no idea how it initially became corrupted, but I think it had something to do with Xcode 11.2.Hopefully this info helps someone else too!
Alex, can you pleas post the script?
Hi All,I was having this issue 100% of the time when trying to load a PDF with WKWebView from my app's document folder, but it worked fine with loading from the bundle.Previously I would load all URLs like this:let request = URLRequest(url: url)
webView.load(request)This worked for files that were in the app bundle but not ones we stored in documents.This resolved it:if url.isFileURL {
webView.loadFileURL(url, allowingReadAccessTo: url)
} else {
let request = URLRequest(url: url)
webView.load(request)
}Hope it helps!Andrew
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Mine too — every time I unlock. I’m currently on 12.0 (16A5365b) — which ever version that is. IPhone X.
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I'm back in this morning as well.I finally did file a ticket last night with Apple. By that point, they mentioned that "several people" had reported the issue.Glad to be back. 🙂
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I've tried multiple devices and also multiple browsers and nothing works.
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Zero response from autodesk.Apple's stated corrections allow the animation to play in Preview on my Mac, but not in Xcode (in the editor) nor via SceneKit at runtime.
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If you can still reproduce the problem, file a bug or use one of your code level support credits. Or maybe both.
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I'm still having this issue regularly. Occasionally I can upload a build and all is well, but most of the time I can't.I made one of my testers a developer and then used that account and all is well. But my main account -- i.e., ME -- doesn't work more than 90% of the time.
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I haven't tried now since the 29th, but the last two times I uploaded I had to try repeatedly. Like 10, 20 times. Maybe wait 30 minutes and try again.. that sort of thing.