[thinkMOAR]

Not being on Facebook, what does

"contains speculative fixes for hangs on Facebook"

mean?

[paulfurtado]

The sentence is saying that there was a bug in a previous version of TenFourFox that caused the browser to hang when browsing to Facebook, and they speculate that they have fixed the bug in this release.

[thinkMOAR]

ah sorry about that, the cookie warning was folded over the subtitle and missed that line; wrongly assumed it was an operating system.

[thephyber]

I suspect it's as it reads. This blog appears to be about a browser codebase/product. I'm guessing a report that "it hangs on Facebook.com".