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Version 5 represents a big step forward for eZ Publish, as it introduces a whole new architecture and embraces the full Symfony2 stack and community around it. But as is often the case with architecture; most of it is under the hood in current releases, and there is no new User Interfaces (UI) yet running on the new kernel, however with our "Dual-kernel" approach all existing UI's are still here running on legacy kernel.
From high level 5.x kernel is:
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