This version contains the following features: GNU C Library version 2.4 Binary compatibility with LSB 3.x Easier to use SDK Support for newer versions of GTK and Cairo graphical libraries Java (optional module) Simpler ways of creating LSB-compliant RPM packages Crypto API (via the Network Security Services library) (optional module) 4.1: Released February 16, 2011:[5] Java removed[6] "Trial Use" modules from LSB 4.0, covering multimedia (ALSA), security (NSS) and desktop miscellaneous (xdg-utils) have been promoted as required submodules Updated GTK+, Cairo and CUPS libraries Three new test suites added 5.0: Released June 2, 2015 First major release that breaks backward compatibility with earlier versions (compatible with LSB 3.0, and mostly compatible with LSB 3.1 and later, with some exceptions[7]) Incorporates the changes made in FHS 3.0 Qt 3 library has been removed Evolved module strategy; LSB is modularized to LSB Core, LSB Desktop, LSB Languages, LSB Imaging, and LSB Trial Use