The material function SpiralBlur-SceneTexture, does not compile in DX12 mode.
Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192
Results:
 The spiral blur will not compile and give errors in the status window
Expected:
 The material would compile
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-77702 in the post.
| 1 | 
| Component | UE - Graphics Features - Lumen | 
|---|---|
| Affects Versions | 4.22, 4.23, 4.24 | 
| Target Fix | 4.23.1 | 
| Created | Jul 22, 2019 | 
|---|---|
| Resolved | Sep 16, 2019 | 
| Updated | Sep 19, 2021 |