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Mac and iOS developer Jeff Johnson confirmed the operating system was having trouble connecting to an apple server, and blocking it by editing the hosts file solved the problem. The problem seems to be solved now, but as TechCrunch notes, it is possible for servers to get overloaded when people upgraded to Big Sur and suddenly flooded it with requests to reauthorize old applications.
We have contacted Apple to see if there are details on what exactly happened, but have not yet received a response.
On its support page covering Gatekeeper, Apple explains how the technology works, starting with the macOS Catalina update:
“If you download and install applications from the Internet or directly from a developer, macOS continues to protect your Mac. When you install Mac applications, plug-ins, and installation packages from outside the App Store, macOS verifies the developer ID signature to verify that the software is from an identified developer and has not been modified. By default, macOS Catalina also requires that the software be notarized, so you can be sure that the software you run on your Mac does not contain known malware. Before opening downloaded software for the first time, macOS asks for your approval to make sure you are not tricked into running unexpected software. “
😅 It seems that when applications are started, Gatekeeper cannot verify their validity over the Internet, due to overwhelmed Apple servers. So, let’s all wait! You got this, Apple devops!
– Panic (@panic) November 12, 2020
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