If this offends you, please consider sticking to the stable releases of osu! (found on the website). This is done in order to allow us to move forward as developers and designers more efficiently. Game balance and final quality-of-life passes come at the end of development, preceded by experimentation and changes which may potentially reduce playability or usability. IMPORTANT: Gameplay mechanics (and other features which you may have come to know and love) are in a constant state of flux.
It will continue to evolve to the point of eventually replacing the existing stable client as an update. Users are encouraged to try it out and keep it installed alongside the stable osu! client. This project is under heavy development, but is in a stable state. The future of osu! and the beginning of an open era! Currently known by and released under the codename ' lazer'.