Hi Jonathan,
from our experience with groupifier it would be really helpful to have the rankings of the previous round for each group displayed. When announcing the groups of the second round of 3x3 for example it would be good to know which rankings the competitors had in the first round and maybe know the average. So for example ranking 75-54 (15.54 - 13.24 ao5) from the first round made it to the first group of the second round. I know for organisers and delegates there would need to be an exception since they might be distributed to a different group not based on their ranking in the first round.
I think in the group overview it would be most convenient to have but there might be a better place to display it.
Hopefully this is easy to implement since as an organiser this would be a very helpful feature :).
Best, Wilhelm