[HOW-TO] Found that some xpaths fail, is it because of the new look? How do I switch between the old and new look?

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Question

I found that xrmApp.Grid.SwitchView xrmApp.Grid.Sort fails, so I can change the xpath in the AppElementReferences.cs and it succeeds, does this mean that the xpath of AppElementReferences.cs has expired? Is it because it doesn't work with the new look? Will there be new ones to give?