Rails 4.0: Final version released!Rails 4.0 is finally ready after a thorough process of betas and release candidates. It’s an amazing new version packed with new goodies and farewells to old features past their expiration date. A big focus has been on making it dead simple to build modern web applications that are screaming fast without needing to go the client-side JS/JSON server route. Much of this work was pioneered for Rails
