How to reproduce:
1. Open the “TerrainBug“ project
2. Open the “Slyvie“ scene
3. In the Hierarchy, select the “Terrain_(-1524.0, 0.0, 992.2)” Terrain and zoom in on the edge where it connects to the “Terrain_(-1524.00, 0.00, 3002.44)” Terrain
4. In the Inspector, click on Pain Terrain tool and select builtin_brush_1
5. Paint along the edges of both Terrains
Expected result: The heights of both Terrain edges should increase according to the settings of the selected brush
Actual result: The edge of the “Terrain_(-1524.0, 0.0, 992.2)” Terrain decreases significantly
Reproducible with: 2022.3.62f, 6000.0.50f1, 6000.1.4f1, 6000.2.0b2
Reproducible on: Windows 10
Not reproducible on: No other environment tested