Mozilla Firefox 12 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 2012-04-24 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Firefox 12 is released with additional functionality of easier browser version update without login prompt for users. Page source now has inclusion of line numbers something most users do not require it.

In the changes, now you can simply past the download URL in download manager window which could quickly start downloading the file. Now you can easily find a text in webpage with center search result.

Among other security fixes, WebGL performance slowdown in Mac edition has been corrected in addition to fixing of TinyMCE-based editor malfunctions.

Known issues remain unfixed in this edition are Locked profile startup crash, Slow Gmail rendering, and vertical scrolling issues in synaptic touchpads.