New maps are out as well as new OSM Scout Server. Main changes in the server were related to import of Mapbox GL tiles and styling them. It is recommended to use new server with the new maps. In the new import and style:

* features at lower zooms are imported with the higher precision

* buildings are painted better (in my opinion)

* POIs are shown in the order of their local (partially random) ranking. This should allow to avoid POI explosion where too many POIs are shown at lower zooms.

In addition, I had issues with Valhalla import, but found a workaround which I hope will work for some time.