Finalize 6.10.1 Release

.coin-or/projDesc.xml

@@ -208,8 +208,8 @@ 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>6.10.0</stableVersionNumber>
-			<releaseNumber>6.10.0</releaseNumber>
+			<stableVersionNumber>6.10.1</stableVersionNumber>
+			<releaseNumber>6.10.1</releaseNumber>
 
 		</developmentStatus>
 

CHANGELOG.md

@@ -1,6 +1,73 @@
 Pyomo CHANGELOG
 ===============
 
+-------------------------------------------------------------------------------
+Pyomo 6.10.1   (04 Jun 2026)
+-------------------------------------------------------------------------------
+
+- General
+  - Resolve `capture_output` deadlock in multiprocessing environments (#3957)
+  - Add SetOf domain; improve config's mock yaml dumper (#3872)
+  - Bugfixes and testing of linear templates (#3781)
+- Core
+  - Remove `pyomo.duality` and `pyomo.core.plugins.transform.model` (#3876)
+  - Improved `ConstraintData.equality` relational expression generation (#3893)
+  - Add new KKT Transformation for generating KKT reformulations (#3881)
+  - New options/mappings in the core.add_slack_variables Transformation (#3869)
+  - Centralize processing of monomial terms in LinearRepn compiler (#3956)
+- Documentation
+  - Remove "deep" references to `scipopt.org`; update DOI for DoE paper (#3968)
+  - Add AI policy to contribution guide (#3959)
+  - Add a new template for tracking tasks (#3935)
+  - Document use of 'Draft' status when reviewing PRs (#3918)
+  - Improve documentation for mutable vs immutable Params (#3890)
+  - Update README processing, version management (#3873)
+  - Update URL for cyipopt documentation (#3909)
+- GDP
+  - Modify hull transform to allow a nonzero base point (#3880)
+  - Add exact hull reformulation for quadratic constraints (#3874)
+- Solver Interfaces
+  - Fix memory leak in LegacySolverInterface wrapper (#3915)
+  - Add direct and persistent interfaces to SCIP (#3744)
+  - KNITRO: Add warm start support (#3833)
+  - Handle cuOpt UnboundedOrInfeasible termination status (11) (#3916)
+  - Fix bug in IPOPT version checking (#3862)
+  - Add tests for trivial constraints (#3703)
+  - Rework `SolutionLoader` (#3701)
+- Testing
+  - Add missing Ipopt guards (parmest); add GHA nosolvers test (#3962)
+  - Unpin GAMS release; rebuild GHA package cache (#3950)
+  - Update GHA TPL cache; resolve new test failures (#3865)
+  - Temporarily pin to PyPy 7.3.20 (#3899)
+  - Update actions; exclude mathworks from URL checks (#3900, #3929)
+  - Bugfix for non-standard sed on OSX (#3901)
+  - Update osx installers and urlchecker environment (#3914)
+  - GHA: run tests on draft PRs (#3926)
+  - Add NEOS solvers (#3919, #3924)
+  - Disallow cplex 22.1.2.1 from conda (#3910)
+- Contributed Packages
+  - DoE: Fix trace/Cholesky initialization consistency (#3867)
+  - DoE: Update documentation (#3812)
+  - iis: Fix interface for current CPLEX releases (#3965)
+  - initialization: New tools for initializing nonconvex NLPs (#3912)
+  - mpc: Skip Expressions when loading MPC data (#3868)
+  - MindtPy: Internal short circuit base (#3907)
+  - MindtPy: Fix results returned when no discrete variables present (#3861)
+  - parmest/DoE: Reorganizing Documentation Pages (#3904)
+  - parmest: Simplify _Q_opt with block scenario structure (#3789)
+  - parmest: Add regularization objective option (#3550)
+  - piecewise: Factorable Programming for PWL Approximations (#3821)
+  - piecewise: Separate linear terms in ``nonlinear_to_pwl`` transform. (#3814)
+  - PyNumero: Efficiency change to sensitivity toolbox calculations (#3905)
+  - PyNumero: Use Hessian approximation for grey-boxes sent to CyIpopt (#3892)
+  - PyROS: Fix typos in PyROS `CardinalitySet` documentation (#3972)
+  - PyROS: Extend the `CardinalitySet` to allow negative deviations (#3969)
+  - PyROS: Add `CartesianProductSet` (#3927, #3951)
+  - PyROS: Add caching for computed uncertain parameter bounds (#3877)
+  - PyROS: Amend documentation of `BudgetSet.budget_membership_mat` (#3954)
+  - TrustRegion: Remove direct manipulation of `stdout` (#3902)
+  - TrustRegion: Add funnel globalization mechanism (#3832)
+
 -------------------------------------------------------------------------------
 Pyomo 6.10.0   (20 Feb 2026)
 -------------------------------------------------------------------------------

RELEASE.md

@@ -1,4 +1,4 @@
-We are pleased to announce the release of Pyomo 6.10.0.
+We are pleased to announce the release of Pyomo 6.10.1.
 
 Pyomo is a collection of Python software packages that supports a
 diverse set of optimization capabilities for formulating and analyzing
@@ -9,9 +9,11 @@ The following are highlights of the 6.10 release series:
 - Removed support for Python 3.9
 - Removed hard dependency on `ply`
 - New Model Observer package
+- New `initialization` module for nonconvex, nonlinear problems
 - New solver interfaces:
   - `gams_v2` solver, writer, and solution loader
   - `cuopt` direct solver interface
+  - `scip` direct and persistent solver interfaces
   - v2: Ongoing solver interface refactor
 - ...and of course numerous minor bug fixes and performance enhancements
 

pyomo/contrib/parmest/parmest.py

@@ -2328,7 +2328,7 @@ def objective_at_theta(self, theta_values=None, initialize_parmest_model=False):
                 "The `initialize_parmest_model` option in `objective_at_theta()` is "
                 "deprecated and will be removed in future releases. Please ensure the "
                 "model is initialized within the Experiment class definition.",
-                version="6.10.1.dev0",
+                version="6.10.1",
             )
 
         if theta_values is None:

pyomo/version/info.py

@@ -20,7 +20,7 @@
 major = 6
 minor = 10
 micro = 1
-# releaselevel = 'final'
+releaselevel = 'final'
 serial = 0