Pyomo/pyomo 6.4.1

Pyomo 6.4.1

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
• 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

Changes in this release

• General
  • Extend linux distribution map logic (#2361)
  • Improve string processing in ConfigList, ConfigDict, and ListOf (#2360)
  • Update copyright assertion (#2368, #2378)
  • Deprecate name_buffer argument to getname (#2370)
  • Defer construction of the main Pyomo parser (#2385)
  • Improve error checking parsing ConfigDict string value (#2399)
• Core
  • Add indices to ComponentData objects (#2351)
  • Ignore SetOf, BuildAction, and BuildCheck when checking units (#2366)
  • Improve support for absolute value in differentiation and FBBT (#2347)
  • Allow relative tolerance when comparing unit dimensionality (#2395)
• Solver Interfaces
  • Fix bug in GLPK solver plugin (#2348)
  • Update BARON solution parser (#2367)
• Testing
  • Turn on failure for codecov-action (#2343)
  • Fixes to GHA due to updates to Ubuntu runner and Conda (#2356, #2384, #2396)
  • Update setup-python and pypy in GHA (#2364)
  • Pin version of openmpi used for testing (#2369)
• DAE Updates
  • Fix typo preventing a DAE test from running (#2349)
• Contributed Packages
  • APPSI: Minor improvements and generalizations (#2383, #2386, #2389, #2391, #2388, #2392)
  • incidence_analysis: Add option to ignore inequality constraints in IncidenceGraphInterface (#2350)
  • MC++: Update interface tests (#2400)
  • MindtPy: Add quadratic_strategy option to pass quadratic constraints or objectives to MIP solvers (#2338)
  • Parmest: Skip tests when seaborn and matplotlib are missing (#2394)
  • PyROS: Improve feasibility problem formulation, objective validation (#2353, #2371)