Landscape seams appear between world composition browser imported heightmap tiles.
Workaround: Run over seam with smoothing tool set to strength 0.0
1. Download and unzip attached .zip file at:
2. Open editor (any project)
3. Enable World Composition Browser
4. Import Tiled Landscapes>Unzipped files
5. Load levels
6. Select landscape, follow edges to tile seam
7. look over seam to find areas where the seam breaks
Head over to the existingAnswerHub thread and let us know what's up.