Remove a bogus-looking multipolygon. There are no holes in the building.
Replace natural=coastline with natural=water.
Replace natural=coastline with natural=water.
Copy name:fi or name:sv from name, and add some place=islet or place=island.
Correct overlapping coastline.
Remove bogus natural=coastline segment.
Add footways from Bing images. Replace a bogus oneway=yes with access=private.
Merge the role=outer ways of a large multipolygon.
Split a multipolygon, so that role=inner holes do not touch the role=outer polygon.
Correct roundabout direction and remove an old junction.
Remove a bogus multipolygon. Islands may contain buildings. Buildings are still part of islands.
Add fixme=continue to a dead-end oneway.
Correct natural=wood,wood=coniferous multipolygons.
Tikkurila: Disable most paths across a construction site, based on survey.