Nate Yes，thank you so much.

Nate And it seems that this issue still exists in Unity. I hope it can be resolved as soon as possible. Thank you！

Nate Thanks, your productivity is so amazing and has been solved！

我在使用4.2.05bata时不能在预览中的高层轨道正常显示图片附件包含的显示或隐藏的关键帧，请帮我解决这个问题。（在4.1版本时是正常的）