我也找了很久,实验了很多。
勾选之后
This is caused by Melodyne having a very data-intensive undo state. You can improve this by enabling "minimal undo states," but then you won't be able to undo Melodyne edits from REAPER (you can still undo them using Melodyne's own undo system, but things can get out of sync that way).
但是我一直在melodyne plugin界面undo。