The mesh painting mode appears to no longer work on splines, as the vertexes seem to have all vertex colors at 1, 1, 1, 1 by default, and can't be removed or painted anything else.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-186643 in the post.
| 52 |
| Component | UE - Rendering Architecture |
|---|---|
| Affects Versions | 5.2 |
| Target Fix | 5.5 |
| Created | May 22, 2023 |
|---|---|
| Resolved | Mar 13, 2024 |
| Updated | Jul 22, 2024 |