I'm hoping adding categories could be improved in VisualEditor. Sometimes I copy and paste categories from somewhere else. I can't edit the name categories in VE though. eg. I paste "Australian companies established in 1997" and want to just change the year.
Secondly, I hoping the category search could be better. Right now I have to be very precise with what I type (different behaviour from adding a link to a article). I can't just type "Australian established 1997", I would have to type "Australian companies established in 199" to get a matching suggestion.