* **room2d:** Fall back on using largest floor if the Room is not solid ([1b54815](https://github.com/ladybug-tools/dragonfly-core/commit/1b5481509ea6a40ea8b3a71c9c93d07a1fc1ef1a))
* **roof:** Add a method to union coplanar roof geometries ([ce51b38](https://github.com/ladybug-tools/dragonfly-core/commit/ce51b3817d2b1955ac114a4df9e0f2db885e8f74))
* **room2d:** Perform an extra check to cap planar holes in roofs ([3f73052](https://github.com/ladybug-tools/dragonfly-core/commit/3f73052a1d0ecbd19d7c8b2c31c13795cc141538))
* **room2d:** Catch case of vertex inserted in last segment ([fb177bc](https://github.com/ladybug-tools/dragonfly-core/commit/fb177bc3082069a35c5fd444ed27327c3c113818))