Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Simple.unity“ scene
3. In the Scene View, fly around and observe the terrain
Expected result: Terrain GameObjects are seamed together
Actual result: Terrain GameObjects are not seamed together and have gaps between them
Reproducible with: 2021.3.31f1, 2022.3.11f1, 2023.1.17f1, 2023.2.0b14, 2023.3.0a10
Reproducible on: Ubuntu 23.10 (Nvidia, Intel), Ubuntu 22.04 (Nvidia), Windows(Nvidia, glCore)
Not reproducible on: Ubuntu 22.04 (AMD), Windows 10 Pro 22H2
Notes:
- With OpenGL set as Graphics API, this issue is reproduced with Nvidia and Intel GPUs
- With Vulkan set as Graphics API, this issue is reproduced only with Intel GPU