* Adding support for labeling terrains. Does not support labeling trees or details.
* Adding terrains to test projects. Updating projects to 2019.4.12f1
* Updating docs and changelog.
* Fixing up URP SampleScene.unity
* Attempting to fix pip installs of unity-downloader-cli
* Switching to rtx2080
* Adding background color for semantic segmentation and bad UI. Need to come back to this later.
* Updating UI
* Changing 'background' to 'sky' and improving tests.
* some UI polish
* Updating label config and PerceptionURP
Co-authored-by: Mohsen Kamalzadeh <>