We are pleased to announce the release of Pyomo 5.6.8. Pyomo is a collection of Python software packages that supports a diverse set of optimization capabilities for formulating and analyzing optimization models. The following are highlights of the 5.6 release series: - New expression system enables robust support for pypy - Dropped support for Python 2.6 - New contributed packages: preprocessing, parmest, pynumero, sensitivity_toolbox, petsc interface, mindtpy, fbbt, gdpbb, satsolver (Z3), derivatives, viewer - New direct interface to Mosek - New modeling components: Reference, Port, Arc - Overhaul of the documentation and move to pyomo.readthedocs.org - Deprecated pyomo.bilevel and pyomo.duality - Numerous bug fixes A full list of updates and changes is available in the CHANGELOG.txt Enjoy! - Pyomo Developer Team - pyomo-developers@googlegroups.com - https://www.pyomo.org ----------- About Pyomo ----------- The Pyomo home page provides resources for Pyomo users: * https://www.pyomo.org Pyomo development is hosted at GitHub: * https://github.com/Pyomo Get help at * StackOverflow: https://stackoverflow.com/questions/tagged/pyomo * Pyomo Forum: https://groups.google.com/group/pyomo-forum/