Join us for #SRPLife Week!

[ROBYER1]

Edit: Someone has already made a wonderful pull request for this as I was figuring out how to do one myself, please go and give this some love:
Hook in GI (probes) to SpeedTree. by russoh · Pull Request #720 · Unity-Technologies/Graphics · GitHub

For well over a year, Speedtree shaders in UniversalRP didn’t sample ambient light (and they still don’t) and also bake completely black for some reason but they look just fine when using URP-Default shader. I just found out this was a 2-line code fix thanks to [mention|mBRxQ4Zs8mzHIlQwR1cB0g==] here
I kicked off enough about it over the past year that it’s been given an issue tracker case

Unity URP Speedtree Issues

Case 1221827 URP -Terrain LightProbes for Speedtree7/8 shaders bake black

Reported at (Case 1221827) [URP][Terrain][Speedtree]Terrain LightProbes for Speedtree7/8 shaders bake black When importing Speedtree shaders into URP, we noticed that once the light mode was set to baked only on the directional light in our scene, the speedtree shaders bake out completely black from Terrain Light probes. Prior to baking (with all baked lighting cleared), the trees just have a dark side where they are in shadow but this is very dark and looks ugly nomatter what we do with Shadow…

To think a high majority of foliage and environment assets on the asset store use Speedtree shaders, I was stumped for well over a year on why my environment assets looked so different to the built-in renderer. Even Speedtree customer support acknowledged the issue but said they had no control over fixing it or helping Unity fix it.