.. _U4.01.09: **u4.01.09** What's new and changed in version 13 ========================================================= **Summary:** The purpose of this document is to offer a global vision of the syntax changes and the new possibilities of **code_aster** commands that occurred during the development of version 13, i.e. since version 12.3.24. For more details, consult the command documentation and the subversion shistor files. .. toctree:: :hidden: self .. toctree:: :maxdepth: 2 :numbered: Dynamique_lin_aire_et_non-lin_aire Thermo-hydro-m_canique M_canique_de_la_rupture M_thodes_num_riques Architecture__ergonomie__performances