Mozilla Firefox 16 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 2012-10-09 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Mozilla has released this Firefox 16 version with many fixes for known issues and not adding much functional improvements.  Among the known bug fixes notable one are page reload without debugger catch, dropping MD5 support, enabling Opus as default, and implementation of reverse animation support.

There are still known errors persists in this edition like unable to start Firefox with locked profile, Gmail website slow response, Firefox updation breaks Windows system restore functionality, and pointer lock problem in web apps.

One notable change in this edition is performance optimization of Java Script responsiveness through incremental garbage collection.