- Improved Chief Architect X4 Ray Tracing. Performance is faster and more closely resembles the basic 3D rendering view. You will find improved lighting through windows with both natural and manmade lighting.

- Faster Library Performance and Downloading. The Library catalog system in Chief Architect X4 received a major upgrade in features and responsiveness. You will see faster load times and search times with the Library. The Library system no longer requires subscription prior to downloading. You can immediately download items and save time.

- Library Filter Tool. You can turn categories of the Library system ON / OFF. You may find this helpful to reduce the amount of content you see or search in the Library. In addition, you can create shortcuts to library objects to customize organization yet avoid duplication.

- Automatic Foundations. A new option to have the foundation automatically generate and update with the main floor as the design progresses.