2017 will be quite the interesting year for the Firefox web browser. Mozilla plans to make the switch to WebExtensions in that year, launch a new themes API that is based on that, and will introduce a new default Firefox theme on top of all that.

 

The first changes have been pushed to the Nightly version of the Firefox web browser already. The most visible change is the addition of two new themes that Firefox will ship with from that version on.

 

What this means is that Firefox users can choose one of the three themes to run Firefox with, all without having to head over to the themes repository to download themes first.

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