Steps to replicate the issue (include links if applicable):
Open https://en.wikivoyage.org/wiki/Prague and the map there, switch to Mapnik or Relief map
It seems the following sources are used at least, but there may be more on different language variants:
- https://c.tile.openstreetmap.org/12/2210/1389.png
- https://tile.waymarkedtrails.org/cycling/12/2212/1389.png
- https://b.tile.thunderforest.com/landscape/12/2212/1389.png?apikey=...
What happens?:
The map layer tiles are blocked/not shown.
What should have happened instead?:
The layers should work...