{"source":"semconv","version":"1.44.0","attribute":{"id":"session.previous_id","type":"string","stability":"development","brief":"The previous `session.id` for this user, when known.","examples":["00112233-4455-6677-8899-aabbccddeeff"],"namespace":"session","definedIn":"model/session/registry.yaml","usedBy":[{"groupId":"event.session.start","groupType":"event","signalName":"session.start","requirementLevel":"conditionally_required"},{"groupId":"session-id","groupType":"attribute_group","requirementLevel":"opt_in"}]},"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":[]}