Mozilla 1.4 Alpha is out. This release features dynamic image and table resizing in Composer, smooth scrolling (see release notes for enabling this feature,) and usability improvements to spam filtering. In addition to these feature improvements, 1.4a also contains fixes for performance, stability, standards support and website compatibility. This is an alpha release so expect bugs, and don't use it unless you are willing to live with the risks inherent in such a release (ie. crashes, data loss, etc.). More information is available in the release notes."