Re: [w3c/manifest] Add `installed` CSS media feature (PR #1218)

@marcoscaceres commented on this pull request.



> @@ -3079,6 +3079,180 @@ <h2>
         data-xref-for="@media">`display-mode`</a> media feature.
       </p>
     </section>
+    <h2 id="installed-media-feature">
+      Installed context: the `installed` media feature
+    </h2>
+    <p>
+      The <dfn id="mf-installed" data-dfn-type="css-descriptor" data-dfn-for=
+      "@media" class="export">`installed`</dfn> media feature reflects whether
+      the current [=browsing context=]'s [=top-level browsing context=] is

need to check about iframes, as third-party iframes shouldn't know if they are installed. 

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Received on Thursday, 21 May 2026 22:31:34 UTC