The current version 4.0 of the development platform Eclipse is primarily meant at developers in the Eclipse e4 want to equip their plug-in. SDK 4.0 brings a new GUI framework and provides a flexible view layout.

The current Eclipse SDK 4.0 is aimed at so-called "early adopters" who want to customize their extensions to the new generation of free IDE. This version brings 4.0 with a new GUI framework. Thus the user interface widgets can be arranged flexibly, for example. Additionally, the appearance of applications using CSS can be defined.
The working area here called Workbench - the SDK has also been adjusted: windows as tabs can be placed side by side or any other. In addition, the GUI a new search function, this can be extended via an API.

With so-called hierarchical Contexts, which are using the API IEclipseContext available, Eclipse provides an abstraction layer available, can be accessed via the application code and data services to the IDE and is also provided for other applications.