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Pyomo 6.4.1
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@jsiirola jsiirola released this 13 May 18:26
· 9613 commits to main since this release
6.4.1
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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)
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