three major versions, or roughly eleven years. LSB 5.0 was the first major release that broke backward compatibility with earlier versions. Version history 1.0: Initial release June 29, 2001. 1.1: Released January 22, 2002. Added hardware-specific specifications (IA-32). 1.2: Released June 28, 2002. Added hardware-specific specifications (PowerPC 32-bit). Certification began July 2002. 1.2.1: Released October 2002. Added Itanium. 1.3: Released December 17, 2002. Added hardware-specific specifications (Itanium, Enterprise System Architecture/390, z/Architecture). 2.0: Released August 31, 2004 LSB is modularized to LSB-Core, LSB-CXX, LSB-Graphics, and LSB-I18n (not released) New hardware-specific specifications (PowerPC 64-bit, AMD64) Synchronized to Single UNIX Specification (SUS) version 3 2.0.1: Released October 21, 2004, ISO version of LSB 2.0, which included specification for all hardware architectures (except LSB-Graphics, of which only a generic version is available). 2.1: Released March 11, 2005. 3.0: Released July 1, 2005. Among other library changes: GNU C Library version 2.3.4 C++ ABI is changed to the one used by gcc 3.4 The core specification is updated to ISO POSIX (2003) Technical Corrigenda 1: 2005 3.1: Released October 31, 2005. This version has been submitted as ISO/IEC 23360:2006. 3.2: Released January 28, 2008. This version has been submitted as ISO/IEC 23360:2006. 4.0: Released November 11, 2008. 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: Java removed "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, This version has been submitted as ISO/IEC 23360:2021 GNU C Library version 2.10 (for psiginfo) 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) 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 ISO/IEC standard The LSB, version 3.1, is registered as an official ISO/IEC international standard. The main parts of it are: ISO/IEC 23360-1:2006 Linux Standard Base (LSB) core specification 3.1 — Part 1: