After some research, I found that the bug does not appear in version 7.5, looking at the release notes I guess it comes from the 7.6.2 patch related to this issue as well:
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Gaussian splatting looks bad on custom viewports | 2 | 222 | May 6, 2024 | |
| Gaussian Splats rotate incorrectly in VR | 69 | 1282 | June 12, 2024 | |
| Gaussian splat flickering when size is small | 5 | 112 | March 10, 2026 | |
| Scaling issue with gaussian splatting | 2 | 218 | May 30, 2024 | |
| Corrupted rendering of Gaussian Splattings | 4 | 123 | September 22, 2025 |