Built-in and URP is supported.
Unity 6 supported starting 6.1
For using with URP-unpack URP shaders.unitypackage first.
33 prefabs is included:
Main 10 unique trees & 2 bushes (2 materials: trunk and foliage)
+variants:
Color variant-10 trees & 2 bushes(2 materials: trunk and foliage) and
6 birches(2 materials: trunk and foliage)
3 pines(2 materials: trunk and foliage)
Trunk shader allow to control Y-based color gradient with blending or multiply mode, using Diffuse, normal map and (optional) mask for gradient.
Foliage shader allow to flexibly customize colors(Main/shadow/rim) using one greyscale mask.
Textures(png):