Update package version

Author: nikhilwoodruff

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), 
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.1.2] - 2025-11-18 11:09:18
+
+### Fixed
+
+- Standardised saving and loading of simulations.
+
 ## [3.1.1] - 2025-11-17 11:45:43
 
 ### Added
@@ -203,6 +209,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 
 
+[3.1.2]: https://github.com/PolicyEngine/policyengine.py/compare/3.1.1...3.1.2
 [3.1.1]: https://github.com/PolicyEngine/policyengine.py/compare/3.1.0...3.1.1
 [3.1.0]: https://github.com/PolicyEngine/policyengine.py/compare/3.0.0...3.1.0
 [3.0.0]: https://github.com/PolicyEngine/policyengine.py/compare/2.0.0...3.0.0

changelog.yaml

@@ -165,3 +165,8 @@
     - Parameter values are appended when combining policies/dynamics.
     - Simulation modifiers are chained in sequence when combining policies/dynamics.
   date: 2025-11-17 11:45:43
+- bump: patch
+  changes:
+    fixed:
+    - Standardised saving and loading of simulations.
+  date: 2025-11-18 11:09:18

changelog_entry.yaml

@@ -1,4 +0,0 @@
-- bump: patch
-  changes:
-    fixed:
-    - Standardised saving and loading of simulations.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "policyengine"
-version = "3.1.1"
+version = "3.1.2"
 description = "A package to conduct policy analysis using PolicyEngine tax-benefit models."
 readme = "README.md"
 authors = [