Running a Mac app from Unidentified Developer on MacOS Sequoia

Guestbook

Latest MacOS Sequoia has made another security enforcement. To open and run a Mac application, e.g. VLC nightly build at https://nightlies.videolan.org/, Unidentified Developer , the following steps can take.

  • Enable “Allow Applications from Anywhere”
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base ~
sudo spctl --master-disable
Password:
Globally disabling the assessment system needs to be confirmed in System Settings.

Go to System Settings -> Privacy & Security, select “Allow Applications from Anywhere”:

MacOS - Allow Applications from Anywhere

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base ~
sudo spctl --master-enable
Password:
This operation is no longer supported. Please see the man page for more information.
  • Disable MacOS Quarantine on the application

In this case application VLC:

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base ~
xattr -dr com.apple.quarantine /Applications/VLC.app

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