Kuwahara Filter [Built-In/HDRP]

✓ Full-screen postprocessing filter

✓ Full source code (scripts and shaders).

✓ Don't need any dependencies

💡 VR hasn't been tested

💡 Unity 2023.1.5 or higher.

💡 Only Built-In and HDRP pipeline 

If you need the URP version of the package:  

https://assetstore.unity.com/packages/vfx/shaders/kuwahara-filter-built-in-urp-162009