• Drastically improved memory handling for certain use cases
• Added a new rendering backend to speed up Canvas operations on Windows systems
• Bookmark and password changes now sync almost instantly when using Firefox Sync
• The ‘http://’ URL prefix is now hidden by default
• Added support for text-overflow: ellipsis
• Added support for the Web Timing specification
• Enhanced support for MathML
• The WebSocket protocol has been updated from version 7 to version 8
• Added an opt-in system for users to send performance data back to Mozilla to improve future versions of Firefox
• Fixed several stability issues
• Fixed several security issues 

Please see the complete list of changes in this version. Web and extension developers should also view the curated list of platform changes.

Download the latest version that’s right for you, and try to make internet a better place!

• Firefox 7.0 for Windows
• Firefox 7.0 for Mac
• Firefox 7.0 for Linux