macOS Big Sur is the current major macOS release from Apple, and introduces multiple new capabilities and performance improvements over prior macOS versions. To fix the Big Sur boot loop, we suggest trying a couple of different methods. Could be an old account I had, but I blew it away, and applied to all enclosed items. Apply permissions to all items in a folder or a disk. In other words the Apple Color Emoji font changes in Big Sur.
Logmein mac permissions big sur 4, which was released this morning, addresses a zero-day vulnerability that could allow attackers to piggyback off of apps like Zoom, taking secret screenshots and surrepetiously.