A foundation models bug I keep running into when in the preview phase of the testing. The error never seems to occur or break the app when I am testing on the simulator or on a device but sometimes I am running into this error when in a longer session while being in preview.
The error breaks the preview and crashes it and the waring on it is labeled as : "Assert in LanguageModelFeedback.swift"
This is something I keep running into, where I have been using foundation models for my project
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This is a grave issue I am facing while testing my apps on my personal device.
This is the error I seem to be getting: "The application could not be launched because the Developer App Certificate is not trusted."
And on the phone side, this is the message: Unable to Verify App. An internet connection is required to verify the trust of the developer "Apple Development...
Before I receive any recommendations, such as deleting Xcode or restarting my device, I would like to clarify that I have already taken all necessary precautions. The application I was testing appeared to function correctly in the morning a few hours prior to the update. However, after upgrading to the latest beta builds, iOS 26.4 beta and the latest macOS beta, this issue has become a recurring problem. I would greatly appreciate your assistance in resolving this matter, as it is of utmost importance to me.
Topic:
Developer Tools & Services
SubTopic:
Xcode
Tags:
Xcode
Simulator
Signing Certificates
Testing