Ubuntu Guide posted a quick guide about installing Firefox 7 stable in Ubuntu 11.10/10.04/10.10
Firefox 7.0 final has been released on September 27th, in this version it has the following changes: 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 SyncInstall Firefox 7 stable in Ubuntu 11.10/10.04/10.10