Android users, meanwhile, get a new, Safari-like 'Reader Mode.'
An early build of the tablet-friendly version of Firefox is now available.
Meanwhile, a security researcher sounds the alarm about Internet Explorer's vulnerability to zero-day attacks.
Mozilla launched the first beta version of its browser-independent website authentication system, Persona, on Thursday and hopes to convince the Web developer community to give it a try.
This new tool will collect a raft of data to help users optimize performance while directing future development at Mozilla.
This upcoming version of Mozilla's browser could be as much as 26 percent speedier than its predecessor.
Now you can see the new mobile operating system in action on a ZTE phone.
Instead of a smiling baby peering up at your from your Facebook newsfeed, you can see a cute kitty, or a big tub of bacon, or whatever you prefer.
Between the memory improvements in desktop Firefox and the overhauled Android app, Mozilla seems to be getting its groove back.
Upcoming release will add an extra level of protection between add-ons and Mozilla's popular browser.