ECS更新了几年了也没有过要整个版本都不兼容的,有人猜测是没做好,打算重做。unity团队也是不着急,都预览版了好几年了,连unity引擎本身开发之处可能都没预览版这么多年吧?
原贴:https://forum.unity.com/threads/notice-on-dots-compatibility-with-unity-2021-1.1091800/
原贴:https://forum.unity.com/threads/notice-on-dots-compatibility-with-unity-2021-1.1091800/