MarkUrFavorite is a tool that allow you to mark assets in the Porject window And gameobjects in the Hierarchy Window.MarkUrFavorite is a tool that allow you to mark assets in the Porject window And gameobjects in the Hierarchy Window.Add your mark by holding your cursor on top of them, then click on the popup star icon. This mark will stay on the target that make you easily locate them until you Unmark them.You can also open the marker window to see all marked items in "Window/Favorite Marker". This window allow you to Unmark items And Highlight item in Porject window or Hierarchy Window.MarkUrFavorite also work on Multiple scene editing. No gameobjects instenceIDs change problems. All script only work while Editor.