Felx Builder debugger support has been added to the sources of the Adobe Flex SDK. Just update your working copy or download the latest Nightly Build and you can start debugging your Gumbo applications in Flex Builder! Gone the days of adding the trace command everywhere in your code and analyzing a bloated flashlog.txt file. Don't forget to install the Flash Player 10 plugin or ActiveX control for your browser from the directory in\player\10\<platform>.
Related Article: Gumbo: Development Environment Setup For Flex Builder.
