Google has said it wants to freeze and unify (but not remove) the User Agent string in HTTP requests as well as in 'navigator.user' Agent in favour of the User Agent Client Hints (UA-CH) feature.
https://groups.google.com/a/chromium.org/forum/m/#!msg/blink-dev/-2JIRNMWJ7s/yHe4tQNLCgAJ
[edited by: engine at 12:47 pm (utc) on Jan 15, 2020]
