The grouping feature is great, thanks!
Here also, my main tension with any grouping or nesting in views, is the time spend in opening and closing rows. This may be solved by expand/collapse all button and locking a ‘tree state’ to autocollapse with a toggle, but needs some experimenting to find the best solution.
Such feature could be integrated in the custom entity view layouts coming up? Since users being able to configure placement and behavior of fields including views, appears like the same topic.
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