Many times when I try to streamline/speed up Apps I find myself having to delete virtual columns and slices. It would be helpful if in the editor it showed how many and which columns/slices depended on this slice/column. That way we could easily see which bit of the app are not used and can be safely removed.
At them moment the process seems to be
Delete something
Save & Verify
See if anything is now broken
Not an ideal strategy ,especially during working hours
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