Flex Builder Plugin [updated] May 2026

( plugin.xml )

This process, while straightforward in concept, required navigating a labyrinth of Eclipse internal APIs that were poorly documented and frequently changed with each Flash Builder update (e.g., from Flex Builder 3 to Flash Builder 4, the entire project model shifted). By 2013, Adobe had begun to sunset Flex in favor of HTML5. In 2015, Adobe donated the Flex SDK to the Apache Foundation (Apache Royale). Flash Builder itself saw its last major release (4.7) and was eventually discontinued. Consequently, the Flex Builder plugin ecosystem collapsed. flex builder plugin

By calling IFlexProject.build(IncrementalProjectBuilder.INCREMENTAL_BUILD, null) , the plugin could trigger the Flex compiler to recognize the new classes immediately. ( plugin