The decision to stick with the stable version (Even number versions: 1.0, 1.2, 1.4...) or with the unstable versions (Odd number versions: 1.1, 1.3, 1.5...) is up to the user, the main difference is compatibility and performance which are both enhanced in the Development version. You get the latest fixes it offers, and also become a tester that can help in the development cycle.