{"source":"semconv","version":"1.44.0","attribute":{"id":"url.extension","type":"string","stability":"development","brief":"The file extension extracted from the `url.full`, excluding the leading dot.","note":"The file extension is only set if it exists, as not every URL has a file extension. When the filename has multiple extensions `example.tar.gz`, only the last one should be captured `gz`, not `tar.gz`.","examples":["png","gz"],"namespace":"url","definedIn":"model/url/registry.yaml","usedBy":[]},"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":[]}