The first beta release of Firefox 1.5 (nee Deer Park) is now available for download. The new Firefox features improved popup blocking, drag-and-drop tab shuffling, SVG support, improved Mac OS X support, more prominent update notifications, a feature that will delete private data with a keyboard shortcut, a "Report a broken Web site wizard," faster Back/Forward action, and more. Also included are lots of bugfixes and security updates.