Its a complete rewrite, and there is many new concepts. The syntax is however almost the same. A good list of new features can be found here: http://phpmaster.c

Its a complete rewrite, and there is many new concepts. The syntax is however almost the same. A good list of new features can be found here: http://phpmaster.com/whats-new-in-laravel-4/ http://phpmaster.com/whats-new-in-laravel-4/