>>22
ログに説明がある
>This is used by the editor. If set to [code]true[/code], the scene will be saved with the effects of the reset animation applied
(as if it had been seeked to time 0), then reverted after saving.
>In other words, the saved scene file will contain the "default pose", as defined by the reset animation,
if any, with the editor keeping the values that the nodes had before saving.
つまり保存時にいつも初期状態にできる