- install DuckDuckGo as default search engine or simply go to DuckDuckGo.com
- Type a name of a city, e.g Amsterdam. A small map thumbnail shows up.
- Click on Open Map and the new page shows an empty area where the map should be. In one case the page loaded parts of the map, but the map was not resizable.
- the same steps with safari on the same device works as it should
- actions performed on iPad (with VPN and iOS 12.4.1) and iPhone (no VPN and iOS 13.0).