TAG Security & Privacy Review Document Answering questions from the questionaire doc here .
3.1. Does this specification deal with personally-identifiable information? No.
3.2. Does this specification deal with high-value data? No.
3.3 Does this specification introduce new state for an origin that persists across browsing sessions? No.
3.4. Does this specification expose persistent, cross-origin state to the web? No.
3.5. Does this specification expose any other data to an origin that it doesn’t currently have access to? No.
3.6. Does this specification enable new script execution/loading mechanisms? No.
3.7. Does this specification allow an origin access to a user’s location? No.
3.8. Does this specification allow an origin access to sensors on a user’s device? No.
3.9. Does this specification allow an origin access to aspects of a user’s local computing environment? Yes, it allows sites to get the current keyboard mapping (as specified, the highest prio ASCII-capable layout).
3.10. Does this specification allow an origin access to other devices? No.
3.11. Does this specification allow an origin some measure of control over a user agent’s native UI? No.
3.12. Does this specification expose temporary identifiers to the web? No.
3.13. Does this specification distinguish between behavior in first-party and third-party contexts? No.
3.14. How should this specification work in the context of a user agent’s "incognito" mode? The same as outside of incognito.
3.15. Does this specification persist data to a user’s local device? No.
3.16. Does this specification have a "Security Considerations" and "Privacy Considerations" section? Yes. Security considerations are N/A, and Privacy concerns relate to fingerprinting.
3.17. Does this specification allow downgrading default security characteristics? No.