We are currently in the process of updating the polygon data for Canada. Besides fresher and more correct data there shouldn't be many changes that will be noticed. Only one in fact.
Greater Vancouver has been renamed to
Metro Vancouver to match reality. I have only found one affected challenge checker and I have updated its configuration.
tagId:39668 creator:pieterix gccode:GC82MX1 scriptEnabled:1 tagEnabled:1 country:United Kingdom