LemonLDAP::NG is a Free Software dédicated to SSO and access control, used in numerous french administrations and other organizations. Developped since 10 years, it evolves constantly bringing new features at each version. The 1.3 version has been exposed during the last OW2 con'. We will present the 1.4 version that was released in July 2014, with plenty of new features like session cache sharing, bootstrap skin, captcha cluster mode, Nginx support trough LUA Handler and self register service.