Another Firefox Linux web trouble I've had: Twitch refuses to login, claiming I need to use a supported browser. Then they link to a page saying Firefox is supported. Have this happening on two different computers
https://bbs.archlinux.org/viewtopic.php?id=289645 https://www.reddit.com/r/Twitch/comments/1118xgz/unsupported...
Someone solved it by disabling fingerprinting resistance https://www.reddit.com/r/archlinux/comments/100t2q3/comment/...