Well, they recently updated their services agreements to allow developer services to update OS on multiple machines free of charge. MacStadium is one of those

Well, they recently updated their services agreements to allow developer services to update OS on multiple machines free of charge. MacStadium is one of those companies that provides Mac servers. They wrote about it: https://blog.macstadium.com/blog/developers-big-sur-and-vindication https://blog.macstadium.com/blog/developers-big-sur-and-vind...