- Hold saves the game object and its component settings to the disk based buffer. Fetch restores the contents of the buffer stored by the previous Hold command.

- The information stored includes all the game object and component settings and even references to the scene objects.

- Undo sometimes doesn’t work. Undo also doesn’t work when Unity restarts.

Hold/Fetch always works because the information is stored on the disk. And its way simpler clicking hold/fetch once than clicking undo multiple times.

* Note that this package works for GameObjects. It doesn't work for other type of assets. eg. Materials, Meshes

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