[1.28.0](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.27.1...v1.28.0) (2023-07-07)
Bug Fixes
* **face:** Add methods for joining and simplifying Face3Ds ([4060694](https://github.com/ladybug-tools/ladybug-geometry/commit/4060694056a34005836842293de91d3ffaa7d32c))
Features
* **polygon:** Add methods for boundaries around multiple polygons ([a48f239](https://github.com/ladybug-tools/ladybug-geometry/commit/a48f23939a891c3b1cae4dffa4edce86c5fcaa17))