assets/manifest.json

@@ -9,6 +9,7 @@
     {
       "src": "/assets/images/icon.png",
       "sizes": "any",
+      "purpose": "maskable",
       "type": "image/png"
     }
   ]

src/components/app.rs

@@ -40,7 +40,7 @@ pub(crate) fn App() -> Element {
         document::Stylesheet { href: FONTS_CSS }
         document::Stylesheet { href: INPUT_NUMBER_ARROWS_CSS }
         document::Stylesheet { href: INPUT_RANGE_CSS }
-        document::Link { rel: "manifest", href: MANIFEST }
+        document::Link { rel: "manifest", href: MANIFEST, crossorigin: "use-credentials" }
         document::Script { src: "https://kit.fontawesome.com/3c1b409f8f.js" }
 
         div {