I know Xcode 27 is in beta but it appears that in Device Hub you can no longer drag and drop enterprise security certificates onto the simulators like you could in Xcode 26 (and earlier) simulators.
I did put in a feedback request in (FB23369006) but I was wondering if anyone found a workaround. This hampers testing for enterprise users who don't have a physical device to test on.
My understanding is that you can install a trusted root by wrapping it in a configuration profile [1] and then adding it to the simulated device using the Profiles tab of the Info inspector.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"
[1] I typically do that using Apple Configurator.