User blog comment:MisterWoodhouse/Introducing Editor Rewards/@comment-38290820-20190829205847/@comment-29456569-20190830003448

Also, didn’t it say for the "best" editors? Which aren’t necessarily the most prolific. I’m sure they’ll take the quality of edits into account over the quantity.

Edit: Whoops, sorry, misterwoodhouse already said it was quality edits.