Re: [w3c/manifest] Way to detect if a web app is installed (Issue #1092)

DanielHerr left a comment (w3c/manifest#1092)

> [@marcoscaceres](https://github.com/marcoscaceres) It sounds from your comment above that from a Safari browser tab "installed" would evaluate to "no" even if the current document falls within the scope of a web app which is installed on the OS, for privacy reasons. I can understand the rationale behind that, but it does seem to make the feature useless for deciding whether to display an install button for example. What are the use cases it _is_ useful for, and if "installed" is only "yes" if the document is currently displayed in an application context with a non-browser display mode, then how will the `installed` media query differ from the existing `display-mode` media query which largely already serves that purpose?

That sounds like a Safari issue. It would be useful on Chromium at least, assuming that installed would indeed evaluate to true with display: browser.

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Received on Wednesday, 4 February 2026 03:38:28 UTC