Hi  Grizelle,
this changeset has created several errors regarding self intersecting lines:

https://tools.geofabrik.de/osmi/?view=geometry&lon=-16.96956&lat=14.41464&zoom=13&baselayer=Geofabrik%20Standard&overlays=self_intersection_ways%2Cself_intersection_points%2Csingle_node_in_way%2Cduplicate_node_in_way

https://overpass-api.de/achavi/?changeset=151199838

I have just reverted it to fix those issues.
Guido