On 8/23/2016 6:58 AM, Martin Koppenhoefer wrote: > recently we stumbled upon problematic behavior of current multipoligon processing in osm-carto OpenStreetMap Carto does not do any multipolygon processing. That is all done by osm2pgsql, and the behavior of osm2pgsql has changed significantly from the version used on the OSMF tile servers.