Yes it is outdated. Please use this endpoint mentioned by @CesareGerbino https://tiles3.mapillary.com/v0.1/{z}/{x}/{y}.mvt
The specification is at Missing mapillary images when loaded in JOSM · Issue #48 · mapbox/osm-navigation-map · GitHub
Sorry about the documentation distributed here and there. We will get all of them in a place soon.
Tao