hello i have je same problem
my code
main.cpp
leaflet_map.html
<!DOCTYPE html> <html> <head> <title>Carte Leaflet</title> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" /> <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script> <style> #map { height: 100%; } html, body { height: 100%; margin: 0; } </style> </head> <body> <div id="map"></div> <script> var map = L.map('map').setView([43.6108, 3.8767], 13); L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors' }).addTo(map); </script> </body> </html>I use Qt6.8.1 with the MSVC2022_64bit kit
I tested the html here https://html.onlineviewer.net/ and it works correctly.
