Merge pull request #3051 from blnicho/finalize-release-6.7.0

Finalize release 6.7.0

.coin-or/projDesc.xml

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

CHANGELOG.md

@@ -2,6 +2,67 @@ Pyomo CHANGELOG
 ===============
 
 
+-------------------------------------------------------------------------------
+Pyomo 6.7.0   (29 Nov 2023)
+-------------------------------------------------------------------------------
+
+- General
+  - Remove Python 3.7, add Python 3.12 Support (#3050, #2956)
+  - Update report_timing() to support context manager API (#3039)
+  - Add `Preformatted` class for logging preformatted messages (#2998)
+  - QuadraticRepnVisitor: Improve nonlinear expression expansion (#2997)
+  - Add `CITATION` file to main repository (#2992)
+  - Minor typo / formatting fixes (#3010, #2975)
+- Core
+  - Fix exception from interaction of Gurobi, Pint, Dask, and Threading (#3026)
+  - Fix differentiation of `Expressions` with `native_numeric_types` (#3017)
+  - Warn for explicit declaration of immutable params with units (#3004)
+  - Use `SetInitializer` for initializing `Param` domains; reinitializing
+    `IndexedVar` domains (#3001)
+  - Ensure templatize_constraint returns an expression (#2983)
+  - Prevent multiple applications of the scaling transform (#2979)
+- Solver Interfaces
+  - Remove presolve-eliminated variables from named expressions (#3056)
+  - Improve LP/NL writer determinism (#3054)
+  - Add "writer" for converting linear models to standard matrix form (#3046)
+  - NLv2/LPv2: Log which suffix values were skipped at the DEBUG level (#3043)
+  - NLv2: add linear presolve and general problem scaling support (#3037)
+  - Adjust mps writer format for integer variable declaration (#2946)
+  - Fix scip results processing (#3023)
+  - Fix quadratic objective off-diagonal-terms in cplex_direct interface (#3025)
+  - Consolidate walker logic in LP/NL representations (#3015)
+  - LP writer: warn user for ignored suffixes (#2982)
+  - Update handling of `0*` in linear, quadratic walkers (#2981)
+- Testing
+  - Pin `gurobipy` version for testing to 10.0.3 (#3053)
+  - Update Performance Plot URL (#3033)
+  - Track change in Black rules (#3021)
+  - Resolve build infrastructure errors (with mpi4py, gams, networkx) (#3018)
+  - Improve GHA conda env package setup (#3013, #2967)
+  - Update Gurobi license checks in tests (#3011)
+  - Skip `fileutils` test failure that persists in OSX 12.7 (#3008)
+  - LINTING: New Version of `crate-ci/typos` (#2987)
+- GDP
+  - Improve Disjunction construction error for invalid types (#3042)
+  - Adding new walker for compute_bounds_on_expr (#3027)
+  - Fix bugs in gdp.bound_pretransformation (#2973)
+  - Fix various bugs in GDP transformations (#3009)
+  - Add a few more GDP examples (#2932)
+- Contributed Packages
+  - APPSI: Add interface to WNTR (#2902)
+  - APPSI: Capture HiGHS output when initializing model (#3005)
+  - APPSI: Fix auto-update when unfixing variable and changing bounds (#2996)
+  - APPSI: Fix reference bug in HiGHS interface (#2995)
+  - FBBT: Add new walker for compute_bounds_on_expr (#3027)
+  - incidence_analysis: Fix bugs with subset ordering and 0 coefficients (#3041)
+  - incidence_analysis: Update paper reference (#2969)
+  - latex_printer: Add contrib.latex_printer package (#2984)
+  - MindtPy: Add support for GreyBox models (#2988)
+  - parmest: Cleanup examples and tests (#3028)
+  - PyNumero: Handle evaluation errors in CyIpopt solver (#2994)
+  - PyROS: Report relative variable shifts in solver logs (#3035)
+  - PyROS: Update logging system (#2990)
+
 -------------------------------------------------------------------------------
 Pyomo 6.6.2   (23 Aug 2023)
 -------------------------------------------------------------------------------

RELEASE.md

@@ -1,34 +1,17 @@
-We are pleased to announce the release of Pyomo 6.6.2.
+We are pleased to announce the release of Pyomo 6.7.0.
 
 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
- - Implemented a more performant and robust expression generation system
- - Implemented a more performant NL file writer (NLv2)
- - Implemented a more performant LP file writer (LPv2)
- - Applied [PEP8 standards](https://peps.python.org/pep-0008/) throughout the
-   codebase
- - Added support for Python 3.10, 3.11
- - Removed support for Python 3.6
- - Removed the `pyomo check` command
+The following are highlights of the 6.7 release series:
+
+ - Added support for Python 3.12
+ - Removed support for Python 3.7
+ - New writer for converting linear models to matrix form
  - New packages:
-    - APPSI (Auto-Persistent Pyomo Solver Interfaces)
-    - CP (Constraint programming models and solver interfaces)
-    - DoE (Model based design of experiments)
-    - External grey box models
-    - IIS (Standard interface to solver IIS capabilities)
-    - MPC (Data structures/utils for rolling horizon dynamic optimization)
-    - piecewise (Modeling with and reformulating multivariate piecewise linear
-      functions)
-    - PyROS (Pyomo Robust Optimization Solver)
-    - Structural model analysis
-    - Rewrite of the TrustRegion Solver
+    - latex_printer (print Pyomo models to a LaTeX compatible format)
+ - ...and of course numerous minor bug fixes and performance enhancements
 
 A full list of updates and changes is available in the
 [`CHANGELOG.md`](https://github.com/Pyomo/pyomo/blob/main/CHANGELOG.md).

pyomo/common/backports.py

@@ -11,6 +11,4 @@
 
 from pyomo.common.deprecation import relocated_module_attribute
 
-relocated_module_attribute(
-    'nullcontext', 'contextlib.nullcontext', version='6.7.0.dev0'
-)
+relocated_module_attribute('nullcontext', 'contextlib.nullcontext', version='6.7.0')

pyomo/version/info.py

@@ -27,8 +27,8 @@
 major = 6
 minor = 7
 micro = 0
-releaselevel = 'invalid'
-# releaselevel = 'final'
+# releaselevel = 'invalid'
+releaselevel = 'final'
 serial = 0
 
 if releaselevel == 'final':