Macromedia Flash Player 8 public beta is available12 Jul 2005
You can get the Macromedia Flash Player 8 public beta from here.
There are lots new features in Flash Player 8.
Install the public beta and run your existing content to make sure all works fine. If you find some of your existing application(s) is breaking, this might be bug in player. So report it to Macromedia guys.
Update: Report bugs at http://www.macromedia.com/bin/fp8betafeedback.cgi