You're right, you may want some features but not all of them. That is why firefox provides the flags for you to turn features on/off. You mention that a user mi

You're right, you may want some features but not all of them. That is why firefox provides the flags for you to turn features on/off. You mention that a user might wast "TLS 1.3, WebP, some security fixes, etc". I would argue that if a user knows what these are, they are capable of working out a flag.