Adobe® Extension Builder 2.1 is a powerful Eclipse™ based development tool that provides a simple way to develop, debug, and package native and Adobe Flash® technology–based extensions that run inside and integrate with Creative Suite and Creative Cloud applications.
Important: Extensibility is changing. Learn More ›
Select the version of Creative Suite/Creative Cloud you want to target and Extension Builder 2.1 works out the compatible features available for that version. Run your existing Flex 3.4 extensions in CS6 or create new Flex 4.5 extensions that leverage newer extensibility technologies.
Use the Debug As and Attach As features to debug directly in Creative Suite and Creative Cloud applications, preview extensions, set breakpoints, and identify errors.
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