diff --git a/.coin-or/projDesc.xml b/.coin-or/projDesc.xml
index 67f5732ec7e..b8c4144c0cf 100644
--- a/.coin-or/projDesc.xml
+++ b/.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.
-->
- 6.10.0
- 6.10.0
+ 6.10.1
+ 6.10.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbd9f8663ff..adbb35edcd1 100644
--- a/CHANGELOG.md
+++ b/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)
-------------------------------------------------------------------------------
diff --git a/RELEASE.md b/RELEASE.md
index 878c2c723e5..e321515bd59 100644
--- a/RELEASE.md
+++ b/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
diff --git a/pyomo/contrib/parmest/parmest.py b/pyomo/contrib/parmest/parmest.py
index 6e6d040b792..6643485fc9b 100644
--- a/pyomo/contrib/parmest/parmest.py
+++ b/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:
diff --git a/pyomo/version/info.py b/pyomo/version/info.py
index 4beebf57adf..c84019701e4 100644
--- a/pyomo/version/info.py
+++ b/pyomo/version/info.py
@@ -20,7 +20,7 @@
major = 6
minor = 10
micro = 1
-# releaselevel = 'final'
+releaselevel = 'final'
serial = 0