[helb]

Eventually… https://bugzilla.mozilla.org/show_bug.cgi?id=1479781

You can enable/disable webrender in about:config if you want to try it out (gfx.webrender.all). I've switched to it on my laptop (HD Graphics 620, Gentoo Linux). So far so good.

[sametmax]

Confirmed, Ubuntu 16.04 on dell xps works fine, and the added boost in perf is noticeable (or the placebo effect is not).

[realusername]

On my case that just results in a black page for every site.