Soon after 4, much less weight was given to major version numbers, with 6 numbers used by September of that year (4, 5, 6, 7, 8, and 9) compared to 3 in nearly a decade of Firefox development (1,2 and 3).įirefox versions 4 through 9 had all reached end-of-life status while Mozilla continued supporting Firefox 3.6 with security updates. Firefox 3.6 is the last major version to run on PowerPC-based Macintoshes. It was superseded by Firefox 4, released the next year, although FF 3.6 had a prolonged period of use and version 4 had noted user interface changes. This was to allow users to receive new features more quickly and the dawn of a new roadmap that reflected these changes. As well as receiving major updates, the browser also received minor updates with new features. This release marked the beginning of a new development cycle for Firefox. In this version, support for X BitMap images was dropped.
It uses the Gecko 1.9.2 engine (compared to 1.9.1 in FF 3.5), which improves compliance with web standards.
The release's main improvement over Firefox 3.5 is improved performance (due to further speed improvements in the TraceMonkey JavaScript engine). Mozilla Firefox 3.6 was a version of the Firefox web browser released in January 2010.