Delegate User-Agent Client-Hints to 3rd Parties

‼️ Note: there is an updated version of this article here. User-Agent Client Hints (UA-CH) has been hot in the Chrome camp lately. Motivated by the sudden urge to deprecate the User-Agent request header due to privacy concerns. With Chrome version 84 and higher, the plumbing with delegation through feature- or permission policies is implemented. Delegating UA-CH to a […]