Sorry, one more idea... :)
I'd love to see time stamps registered in the item's activity feed every time a status is changed. That way, as an editor, if we miss a deadline I can look at the process from start to finish and identify where in the process the delay/bottleneck happened. If a piece is late, I want to know why and who was responsible for the holdup. Did the writer take too long? Did the reviewer sit on it for 2 weeks? Did revision keep pushing back the publish date?
Thanks again for all you're doing - I'm a big fan :).
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