Mozilla Firefox 56 is a web browser developed by Mozilla Foundation, available for download in full install version for Windows platforms from legacy sources. This version of Firefox was officially released on 2017-09-28 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Mozilla introduced a new feature called Firefox Screenshots which let users to take a snap of their screen and share it through many networks all without leaving the browser window. The English edition now supports address form autofill functionality.

With this edition any medias opened automatically or manually will not play unless other wise the specific tab is actively viewed. This could stop automated video plays from advertisements which is nuisance while you are browsing.