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DO NOT update to Mac OS High Sierra!!
DO NOT UPDATE TO Mac OS HIGH SIERRA!!!
If you are using Unity in Mac do not update to Mac OS High Sierra because OVRplugin will not work any more in Unity and you will get errors in the editor.
By other hand Oculus is not and will not help anybody to solve the problems. They are not supporting Mac and will not at lest in the near future.
Do you already did it as I did? Bad news!!