At present, the Oneboxes for events are a bit meh. Basically, they are no different to regular topic Oneboxes, and don’t include the date, time, description, etc etc (unless put into the Topic Title as a workaround).
Here is an example event from our site:
Would it be possible to hook into the new (and brilliant) cards that appear on click in the calendar for events, and serve these up as oneboxes? For example:
That might not be feasible at all, but I do wonder if the metadata could be modified for event posts so that they Onebox in a way that highlights the critical event info (especially internally).