* Fixing labeling when renderers have per-material MaterialPropertyBlocks. Also supporting refreshing labeling manually after making changes to renderers or the Labeling component.
* updating changelog
* 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