
New and exciting features are included in every successive release of the Adobe Flex IDE, and with many new and improved debugging and profiling features available, Flash Builder 4 beta 2 is no exception. In this article you will learn about new features in the Debug perspective and Profile perspective as well as the new Network Monitor. Each feature will be demonstrated so that you can get started quickly. The example code is provided as a Flash Builder 4 project archive; be sure to download it so you can work along with this article.
To make the most of this article, download the following software and files:
To make the most of this article, you should have a basic knowledge of Flex development. You should also have a basic understanding of how to use the Flash Builder 4 IDE and how to import FXP Flex project archives.

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Jun Heider is an Adobe Flex 3/AIR ACE and has been an Adobe Certified Instructor since 2005. Jun works as a Sr. Developer with RealEyes Media, an Adobe partner company based in Denver, Colorado. Jun also co-teaches Adobe Flex development at the University of Denver, University College. Jun loves to write and speak at conferences: Adobe MAX, 360|Flex, CFUnited, O'Reilly Inside RIA, and he is a co-author of Professional Adobe Flex 3 by Wrox. In his spare time, Jun is also the lead guitarist, vocalist, and one of the technologists for the geek rock band The Compilers.