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Goal of this PR is to create a temporary work around to the recently introduced changes in Pallas with macOS Monterey. This is a simple patch that reroutes where SoftwareUpdateCoreSupport.framework reads the SecureBootModel entry from. From there, Pallas will send the correct T2 OS update without causing installation or update issues when SecureBootModel is enabled via OpenCore.
Note this currently requires the user to also add the following NVRAM variables to their OpenCore configuration:
HardwareModel | String | j137ap
boot-args | String | -patch_pallas
-patch_pallas
can be appended to the end of your boot-argsA prebuilt binary can be found below: