RELEASE.txt

We are pleased to announce the release of Pyomo 6.4.0.

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 6.0 release series:

 - Improved stability and robustness of core Pyomo code and solver interfaces
 - Integration of Boolean variables into GDP
 - Integration of NumPy support into the Pyomo expression system
 - Added support for Python 3.10
 - Removed support for Python 3.6
 - New packages:
    - APPSI (Auto-Persistent Pyomo Solver Interfaces)
    - External grey box models
    - PyROS (Pyomo Robust Optimization Solver)
    - Structural model analysis
    - Rewrite of the TrustRegion Solver

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


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About Pyomo
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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/