There's a bug in firefox that means you cannot expand replies (for me, and my users anyway, who have all reported it)
addUserInfo.js:103 Uncaught TypeError: n.ranks(...).reverse is not a function
at e.<anonymous> (addUserInfo.js:103)
at e.t.<computed> [as view] (extend.js:27)
at e.render (Component.js:100)
at e.n.headerItems (CommentPost.js:134)
at e.t.<computed> (extend.js:25)
at e.t.<computed> (extend.js:25)
at e.t.<computed> (extend.js:25)
at e.t.<computed> [as headerItems] (extend.js:25)
at e.n.content (CommentPost.js:50)
at e.t.<computed> [as content] (extend.js:25)
Works fine in Chrome etc, but not in firefox - even with cache cleared, and incognito session.
EDIT:
Now I've managed to reproduce it where it works in Firefox, but not Chrome - same error message though ?