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UniHistory is the perfect extension for any project. It allows for easy access between your previous selected objects. It allows you to favorite any object for faster access. The included window allows you to switch to any of the objects by just clicking it, or just ping the object. It also contains a super convinient DropDown (Experimental feature) list that gives you access to the system without needing to use the window.

You can drag & drop from the list to create prefabs or to spawn in the scene, same as normal drag & drop from hierarchy or project.