As for plugins, that's a bit more difficult - I wouldn't mind an option to ask if I wanted to let a site enumerate plugins, but you start getting into header games & pointless reloads there if you're not careful.
[1] I force my own fonts for everything, so no UX issues for me. No idea how much of an issue it is for other folks.
How does Epic protect against browser fingerprinting?
There is no agreed-upon way to prevent browser fingerprinting or device fingerprinting at this point. There are many fingerprinting techniques which a solution would need to protect against. While we are working on a more thorough solution [...]
I imagine it could send the default plugin/header/user agent of IE/Chrome/Firefox, or random stuff each time...