{"source":"semconv","version":"1.44.0","attribute":{"id":"browser.mobile","type":"boolean","stability":"development","brief":"A boolean that is true if the browser is running on a mobile device","note":"This value is intended to be taken from the [UA client hints API](https://wicg.github.io/ua-client-hints/#interface) (`navigator.userAgentData.mobile`). If unavailable, this attribute SHOULD be left unset.","examples":[],"namespace":"browser","definedIn":"model/browser/registry.yaml","usedBy":[{"groupId":"entity.browser","groupType":"entity","signalName":"browser","requirementLevel":"recommended"}]},"history":[{"version":"1.30.0","publishedAt":"2025-01-24T19:11:42Z","kind":"first-seen","detail":"Already present at v1.30.0, the oldest release tracked here (experimental)."},{"version":"1.31.0","publishedAt":"2025-03-11T00:53:13Z","kind":"stability-changed","detail":"Stability label respelled from experimental to development.","severity":"informational"}],"replaces":[]}