This is probably what was being referenced: https://news.ycombinator.com/item?id=25772462 https://news.ycombinator.com/item?id=25772462 "macOS Big Sur 11.2 bet

This is probably what was being referenced: https://news.ycombinator.com/item?id=25772462 https://news.ycombinator.com/item?id=25772462 "macOS Big Sur 11.2 beta 2 is out with full custom kernel support" ... "The OS now finally includes the firmware and bootloaders and tools necessary to replace Big Sur with not-Big-Sur. That was previously not possible."