Hi Harald
Unity 2021.3.15f1
I imported all my Spine 3.9 assets to 4.1 and updated the runtimes and URP Shaders UPM packages.
I got realtime shadows to cast onto the Spine 4.1 characters now. 
But I'm running into another roadbump.
#1. Geometry now casts shadows onto Spine characters . Great! ~
#2. Cookie lights don't cast shadows unfortunately. 
Do you know if it's possible for light cookies to work on Spine characters? 
Thanks for the continued support!
@IndieDoroid You are right, light cookies are indeed ignored. Sorry for the troubles and thanks for reporting.
We have created an issue ticket here:
EsotericSoftware/spine-runtimes2285
Harald
Thanks Harald! Sorry for the trouble of bringing it up. 
@IndieDoroid A commit has just been pushed to the 4.1 branch which adds support for light cookies at the Universal Render Pipeline/Spine/Sprite shader. A new Spine URP Shaders UPM package is available for download here as usual:
https://esotericsoftware.com/spine-unity-download
Thanks again for reporting. 
Harald Thanks so much Harald!!!
Hi Harald
Are you experiencing this bug on your end?
The cookies seem to be flipped horizontally? 
Hmm actually something else is going on.
I did another test and the projections seem ok?
I need to check my cookies to see why they're doing this weird horizontal flip. 
IndieDoroid The cookies seem to be flipped horizontally?
It does not look wrong, given that the light source is projecting from bottom-left direction. The contact points seem to line up perfectly at the feet at least. It's impossible to judge from a single image though.
You should be able to quickly test this by rotating the skeleton around the horizontal X-axis so that it's almost parallel to the ground.
Harald
good point! I guess my brain is expecting something that shouldn't be possible.
IndieDoroid good point! I guess my brain is expecting something that shouldn't be possible.
Sometimes these things can look counter-intuitive at first.
