loads tiles from the required HTTPS URL [https://tile.openstreetmap.org/ {z}

/

{x}

/

{y}

.png|https://tile.openstreetmap.org/%7Bz%7D/%7Bx%7D/%7By%7D.png] instead of the old [http://

{a,b,c}

.tile.openstreetmap.org|http://%7Ba,b,c%7D.tile.openstreetmap.org] URLs.

sends a Referer header with tile requests, as required by the OSM tile usage policy. Only the Studio origin (e.g. https://studio.example.com/) is sent, not the full URL, and only for map tiles; Studio's global same-origin referrer policy is otherwise unchanged. As a result, the OpenStreetMap Foundation can see your Studio's host name. If that is not acceptable, configure a different tile provider in OSMPanelBase.ts.

shows the required "© OpenStreetMap contributors" attribution on the map.

Blueprint impact: OSMPanelBase.ts changed.