There is an issue occuring where TransformVector node break compilation material instance but primary material is successfully compiled. When using a custom node to set the value this node intends to do, there is no issue and the expected result can be achieved. This does not appear to be a regression.
Versions Tested: Issue occurs in all versions tested
4.18.3 CL - 3832480
4.17.2 CL - 3658906
4.19p3 CL - 3861363
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-54674 in the post.
| 0 | 
| Component | UE - Graphics Features | 
|---|---|
| Affects Versions | 4.17, 4.18, 4.19 | 
| Created | Jan 31, 2018 | 
|---|---|
| Resolved | May 25, 2021 | 
| Updated | Sep 22, 2021 |