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RELEASE.txt
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We are pleased to announce the release of Pyomo 5.1. 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 a summary of changes since Pyomo 5.0:
- Added a CONOPT plugin to handle a custom SOL file output (#88)
- Changed 'pyomo solve' to use any Model object that is found, rather than
requiring the default object to be named 'model' (#80)
- Reworked the solver testing infrastructure to enable enumeration of all
test scenarios, which is used by 'pyomo test-solvers' (#78)
- Fixes for xpress solver options writer (#79)
- Resolved an issue where Pyomo was unnecessarily cloning most inequality
expressions (#80)
- Reworked the Pyomo *.DAT file parser and post-parse processing logic. This
eliminates parse ambiguities that were causing test failures.
- Finalized book test examples for the new edition of the Pyomo book
- Added pyomo.contrib to support integration of third-party Pyomo libraries
in a standard manner
- Fixed TravisCI testing issues where the incorrect version of Python was being
tested
- Fixed error messages in pyomo.dae (#81)
- Revised CBC interface to recognize intermediate non-integer solutions (#77)
- Added checks for IPOPT test failures based on version info (#72)
- Removed support for OpenOpt
Enjoy!
- Pyomo Developer Team
- http://pyomo.org
-----------
About Pyomo
-----------
The Pyomo home page provides resources for Pyomo users:
* http://pyomo.org
Pyomo development is hosted at GitHub:
* https://github.com/Pyomo
Get help at
* StackOverflow: http://stackoverflow.com/questions/tagged/pyomo
* Pyomo Forum: http://groups.google.com/group/pyomo-forum/