This gives the Basilisk browser the well-known Firefox-style interface (and operation). Basilisk is a browser built using the Goanna layout and rendering engine (an older version of Gecko). The 45.8.0esr may be the last unless Mozilla extends support for the then older 45.0 ESR branch as Firefox 52.0 ESR will be the current ESR then. If you like the way Firefox operates yet miss some features or things you don’t like so much, Basilisk is a great Firefox alternative. '''Starting with the Firefox version 49 release in September 2016, Firefox is no longer supported on OS X systems below 10.9.įirefox ESR branch tends to get eight updates so Firefox 45.8.0esr will be out when Firefox 53.0 is Released. This catalog contains 93,598 versions of 19,450 Firefox add-ons created by 14,274 developers over the past 15 years using XUL/XPCOM technology before Mozilla decided to ruin the classic extensions ecosystem and go exclusively to WebExtensions. The '''Firefox version 48 release in August 2016 will be the last Firefox version to receive new feature or security updates on OS X systems that are no longer supported by Apple: OS X 10.6, 10.7 and 10.8. The developers of Firefox keep finding bugs and fixing them, adding new patches and other upgrades. Warning: Older Firefox versions pose a significant security risk. We recommend that you always use the newest version of Firefox. Is it safe to use an old version of Firefox. You misread as it says Firefox '''48.0''' is the last to run on OSX 10.6, 10.7, 10.8 and not 47.0.1. Opera is perhaps the best browser to use on your old Windows computer if you want good page-loading speeds and a variety of useful features. Bottom line: Firefox Downgrade to an older version.
Step 2: Install the older version of Firefox. Step 1: download an older one Firefox Build. Downgrade and install an older version of Firefox.
47.0.1 is the last one to be supported on 10.6.8, the answer given here: Here are the detailed instructions on how to downgrade and Install an older version of the Firefox.