HI joedal-osm,
this changeset has created several errors regarding self intersecting ways and displaced waterways:

https://tools.geofabrik.de/osmi/?view=geometry&lon=-6.52407&lat=5.15074&zoom=11&baselayer=Geofabrik%20Standard&overlays=self_intersection_ways%2Cself_intersection_points%2Csingle_node_in_way%2Cduplicate_node_in_way

https://overpass-api.de/achavi/?changeset=161533573

Can you please fix this?
Kind regards
Guido