Pyomo/pyomo 6.4.4

Pyomo 6.4.4

on GitHub

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, 3.11
• Removed support for Python 3.6
• New packages:
  • APPSI (Auto-Persistent Pyomo Solver Interfaces)
  • CP (Constraint programming models and solver interfaces)
  • External grey box models
  • IIS (Standard interface to solver IIS capabilities)
  • MPC (Data structures/utils for rolling horizon dynamic optimization)
  • PyROS (Pyomo Robust Optimization Solver)
  • Structural model analysis
  • Rewrite of the TrustRegion Solver

Changes in this release

• General
  • Convert txt to md files (CHANGELOG, LICENSE, RELEASE) (#2635)
  • Parallelize build of manylinux wheels (#2636)
  • Update source for Jenkins status badge (#2639, #2640)
  • Update relocated_module_attribute to work with cythonized modules (#2644)
  • Add utility methods to HierarchicalTimer (#2651)
• Core
  • Fix preservation of stale flags through clone/pickle (#2633)
  • Add support for local suffixes in scaling transformation (#2619)
• Solver Interfaces
  • Fix handling of nonconvex MIQCP problems in Xpress (#2625)
• Testing
  • Update GitHub actions to cancel jobs when new changes are pushed (#2634)
  • Remove requirement for a pyutilib directory in Jenkins driver (#2637)
  • Enable GitHub actions build on Windows Python 3.11 (#2638)
  • Add build services infrastructure status badge (#2646)
  • Add version upper bound on MOSEK warmstart test skip (#2649)
  • Improve compare.py handling of nosetests/pytest output (#2661)
• GDP
  • Add option to use multiple-bigm only on bound constraints (#2624)
  • Add logical_to_disjunctive and replace uses of logical_to_linear (#2627)
• Contributed Packages
  • FBBT: Fix bug with ExternalFunction expressions (#2657)
  • PyROS: Fix uncertain param bounds evaluation for FactorModelSet (#2620)
  • PyROS: Add origin attribute to BudgetSet (#2645)
  • PyROS: Fix UncertaintySet.bounding_problem method (#2659)