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Merge pull request #3051 from blnicho/finalize-release-6.7.0
Finalize release 6.7.0
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‎.coin-or/projDesc.xml

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@@ -227,8 +227,8 @@ Carl D. Laird, Chair, Pyomo Management Committee, claird at andrew dot cmu dot e
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Use explicit overrides to disable use of automated
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version reporting.
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-->
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<stableVersionNumber>6.6.2</stableVersionNumber>
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<releaseNumber>6.6.2</releaseNumber>
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<stableVersionNumber>6.7.0</stableVersionNumber>
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<releaseNumber>6.7.0</releaseNumber>
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</developmentStatus>
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‎CHANGELOG.md

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===============
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-------------------------------------------------------------------------------
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Pyomo 6.7.0 (29 Nov 2023)
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-------------------------------------------------------------------------------
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- General
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- Remove Python 3.7, add Python 3.12 Support (#3050, #2956)
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- Update report_timing() to support context manager API (#3039)
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- Add `Preformatted` class for logging preformatted messages (#2998)
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- QuadraticRepnVisitor: Improve nonlinear expression expansion (#2997)
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- Add `CITATION` file to main repository (#2992)
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- Minor typo / formatting fixes (#3010, #2975)
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- Core
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- Fix exception from interaction of Gurobi, Pint, Dask, and Threading (#3026)
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- Fix differentiation of `Expressions` with `native_numeric_types` (#3017)
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- Warn for explicit declaration of immutable params with units (#3004)
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- Use `SetInitializer` for initializing `Param` domains; reinitializing
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`IndexedVar` domains (#3001)
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- Ensure templatize_constraint returns an expression (#2983)
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- Prevent multiple applications of the scaling transform (#2979)
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- Solver Interfaces
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- Remove presolve-eliminated variables from named expressions (#3056)
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- Improve LP/NL writer determinism (#3054)
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- Add "writer" for converting linear models to standard matrix form (#3046)
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- NLv2/LPv2: Log which suffix values were skipped at the DEBUG level (#3043)
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- NLv2: add linear presolve and general problem scaling support (#3037)
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- Adjust mps writer format for integer variable declaration (#2946)
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- Fix scip results processing (#3023)
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- Fix quadratic objective off-diagonal-terms in cplex_direct interface (#3025)
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- Consolidate walker logic in LP/NL representations (#3015)
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- LP writer: warn user for ignored suffixes (#2982)
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- Update handling of `0*` in linear, quadratic walkers (#2981)
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- Testing
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- Pin `gurobipy` version for testing to 10.0.3 (#3053)
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- Update Performance Plot URL (#3033)
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- Track change in Black rules (#3021)
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- Resolve build infrastructure errors (with mpi4py, gams, networkx) (#3018)
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- Improve GHA conda env package setup (#3013, #2967)
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- Update Gurobi license checks in tests (#3011)
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- Skip `fileutils` test failure that persists in OSX 12.7 (#3008)
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- LINTING: New Version of `crate-ci/typos` (#2987)
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- GDP
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- Improve Disjunction construction error for invalid types (#3042)
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- Adding new walker for compute_bounds_on_expr (#3027)
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- Fix bugs in gdp.bound_pretransformation (#2973)
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- Fix various bugs in GDP transformations (#3009)
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- Add a few more GDP examples (#2932)
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- Contributed Packages
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- APPSI: Add interface to WNTR (#2902)
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- APPSI: Capture HiGHS output when initializing model (#3005)
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- APPSI: Fix auto-update when unfixing variable and changing bounds (#2996)
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- APPSI: Fix reference bug in HiGHS interface (#2995)
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- FBBT: Add new walker for compute_bounds_on_expr (#3027)
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- incidence_analysis: Fix bugs with subset ordering and 0 coefficients (#3041)
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- incidence_analysis: Update paper reference (#2969)
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- latex_printer: Add contrib.latex_printer package (#2984)
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- MindtPy: Add support for GreyBox models (#2988)
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- parmest: Cleanup examples and tests (#3028)
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- PyNumero: Handle evaluation errors in CyIpopt solver (#2994)
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- PyROS: Report relative variable shifts in solver logs (#3035)
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- PyROS: Update logging system (#2990)
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-------------------------------------------------------------------------------
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Pyomo 6.6.2 (23 Aug 2023)
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-------------------------------------------------------------------------------

‎RELEASE.md

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We are pleased to announce the release of Pyomo 6.6.2.
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We are pleased to announce the release of Pyomo 6.7.0.
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Pyomo is a collection of Python software packages that supports a
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diverse set of optimization capabilities for formulating and analyzing
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optimization models.
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The following are highlights of the 6.0 release series:
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- Improved stability and robustness of core Pyomo code and solver interfaces
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- Integration of Boolean variables into GDP
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- Integration of NumPy support into the Pyomo expression system
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- Implemented a more performant and robust expression generation system
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- Implemented a more performant NL file writer (NLv2)
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- Implemented a more performant LP file writer (LPv2)
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- Applied [PEP8 standards](https://peps.python.org/pep-0008/) throughout the
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codebase
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- Added support for Python 3.10, 3.11
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- Removed support for Python 3.6
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- Removed the `pyomo check` command
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The following are highlights of the 6.7 release series:
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- Added support for Python 3.12
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- Removed support for Python 3.7
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- New writer for converting linear models to matrix form
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- New packages:
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- APPSI (Auto-Persistent Pyomo Solver Interfaces)
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- CP (Constraint programming models and solver interfaces)
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- DoE (Model based design of experiments)
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- External grey box models
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- IIS (Standard interface to solver IIS capabilities)
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- MPC (Data structures/utils for rolling horizon dynamic optimization)
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- piecewise (Modeling with and reformulating multivariate piecewise linear
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functions)
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- PyROS (Pyomo Robust Optimization Solver)
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- Structural model analysis
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- Rewrite of the TrustRegion Solver
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- latex_printer (print Pyomo models to a LaTeX compatible format)
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- ...and of course numerous minor bug fixes and performance enhancements
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A full list of updates and changes is available in the
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[`CHANGELOG.md`](https://github.com/Pyomo/pyomo/blob/main/CHANGELOG.md).

‎pyomo/common/backports.py

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from pyomo.common.deprecation import relocated_module_attribute
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relocated_module_attribute(
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'nullcontext', 'contextlib.nullcontext', version='6.7.0.dev0'
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)
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relocated_module_attribute('nullcontext', 'contextlib.nullcontext', version='6.7.0')

‎pyomo/version/info.py

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major = 6
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minor = 7
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micro = 0
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releaselevel = 'invalid'
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# releaselevel = 'final'
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# releaselevel = 'invalid'
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releaselevel = 'final'
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serial = 0
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if releaselevel == 'final':

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