Multiple licensees are experiencing this problem. The repro should look like this initially:
[Image Removed]
But then over time will degrade overtime into something like this this, most likely caused by a PSO caching + shader mismatch error:
[Image Removed]
1. Download 4.21 project repro provided by licensee - [Link Removed]
2. Deploy to XboxOne on 180604 / October 2018
3. Y is set to "Seamless Server Travel", forcing the the level to reload.
4. Keep pressing Y until artifacts begin to appear (usually around 10-20 presses, frequency seems to increase).
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-67143 in the post.
| 3 |
| Component | UE - Platform - Console |
|---|---|
| Affects Versions | 4.21 |
| Target Fix | 4.21.2 |
| Fix Commit | 4645111 |
|---|
| Created | Dec 4, 2018 |
|---|---|
| Resolved | Dec 10, 2018 |
| Updated | Jan 2, 2019 |