From the last RfC meeting on 13 August 2014:
21:26:23 <sumanah> ok, next Followup from 21 May: has cscott run the requested stats on Square bounding boxes?
21:26:32 <sumanah> cscott: https://www.mediawiki.org/wiki/Architecture_meetings/RFC_review_2014-05-21 and https://www.mediawiki.org/wiki/Requests_for_comment/Square_bounding_boxes