Update changelog

Author: kratman

CHANGELOG.md

@@ -1,11 +1,17 @@
 # [Unreleased](https://github.com/pybamm-team/PyBaMM/)
 
+# [v25.4.2](https://github.com/pybamm-team/PyBaMM/tree/v25.4.2) - 2025-04-17
+
 ## Bug fixes
 
-- Improve reliablity of `AlgebraicSolver` and change `ElectrodeSOHHalfCell` solver to a Trust-Region method. ([#4982](https://github.com/pybamm-team/PyBaMM/pull/4982))
+- Improve reliability of `AlgebraicSolver` and change `ElectrodeSOHHalfCell` solver to a Trust-Region method. ([#4982](https://github.com/pybamm-team/PyBaMM/pull/4982))
 
 # [v25.4.1](https://github.com/pybamm-team/PyBaMM/tree/v25.4.1) - 2025-04-16
 
+## Features
+
+- Added "use lumped thermal capacity" option in lumped thermal model ([#4968](https://github.com/pybamm-team/PyBaMM/pull/4968))
+
 ## Bug fixes
 
 - Remove a regularization term in the harmonic mean. ([#4977](https://github.com/pybamm-team/PyBaMM/pull/4977))
@@ -68,7 +74,6 @@
 - Added `Symbol.post_order()` method to return an iterable that steps through the tree in post-order fashion. ([#4684](https://github.com/pybamm-team/PyBaMM/pull/4684))
 - Porosity change now works for composite electrode ([#4417](https://github.com/pybamm-team/PyBaMM/pull/4417))
 - Added two more submodels (options) for the SEI: Lars von Kolzenberg (2020) model and Tunneling Limit model ([#4394](https://github.com/pybamm-team/PyBaMM/pull/4394))
-- Added "use lumped thermal capacity" option in lumped thermal model ([#4968](https://github.com/pybamm-team/PyBaMM/pull/4968))
 
 ## Breaking changes
 

CITATION.cff

@@ -24,6 +24,6 @@ keywords:
   - "expression tree"
   - "python"
   - "symbolic differentiation"
-version: "25.4.1"
+version: "25.4.2"
 repository-code: "https://github.com/pybamm-team/PyBaMM"
 title: "Python Battery Mathematical Modelling (PyBaMM)"