{"source":"semconv","version":"1.44.0","attribute":{"id":"user_agent.os.version","type":"string","stability":"development","brief":"The version string of the operating system as defined in [Version Attributes](/docs/resource/README.md#version-attributes).","note":"For mapping user agent strings to OS versions, libraries such as [ua-parser](https://github.com/ua-parser) can be utilized.","examples":["14.2.1","18.04.1"],"namespace":"user_agent","definedIn":"model/user-agent/registry.yaml","usedBy":[]},"history":[{"version":"1.31.0","publishedAt":"2025-03-11T00:53:13Z","kind":"first-seen","detail":"Added as development.","severity":"informational"}],"replaces":[]}