Hi 13_20,
this changeset has created several errors inthe OSm database regaarding self intersecting ways:

https://tools.geofabrik.de/osmi/?view=geometry&lon=3.03534&lat=41.96272&zoom=17&baselayer=Geofabrik%20Standard&overlays=self_intersection_ways%2Cself_intersection_points%2Csingle_node_in_way%2Cduplicate_node_in_way

https://overpass-api.de/achavi/?changeset=134112208

I have just reverted it to fix those issues. Please watch out what you are doing.
Guido