Release v0.2.4: Make cyipopt truly optional

- Removed cyipopt from required dependencies
- cyipopt now loaded only when IPOPT optimization is used
- Improved installation flexibility for users who don't need optimization
- Better error handling for missing optional dependencies

Author: thanhndv212

CHANGELOG.md

@@ -5,6 +5,18 @@ 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).
 
+## [0.2.4] - 2025-09-08
+
+### Changed
+- **Optional Dependencies**: Removed `cyipopt` from required dependencies
+  - cyipopt is now truly optional and loaded only when IPOPT optimization is used
+  - Users can install without cyipopt and still use all other features
+  - Install cyipopt separately when needed: `pip install cyipopt` or via conda environment
+
+### Improved
+- **Installation Flexibility**: Package now installs without requiring heavy optimization dependencies
+- **Error Handling**: Better error messages when optional dependencies are missing
+
 ## [0.2.3] - 2025-09-08
 
 ### Added

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "figaroh"
-version = "0.2.3"
+version = "0.2.4"
 description = "A Python toolbox for dynamics identification and geometric calibration of robots and humans"
 readme = "README.md"
 requires-python = ">=3.8"
@@ -52,7 +52,6 @@ dependencies = [
     "picos",
     "numdifftools",
     "ndcurves",
-    "cyipopt",
 ]
 
 [project.optional-dependencies]