Decals disappear near edges
The edge of a decal can sometimes disappear when viewed from certain angles in Godot 4.2.2. This may be due to a bug in Godot, tracked by the following issues: 1
This issue only happens when the scale for the decal is non-uniform, so a workaround is to use a uniform scale for the decal. This is not affected by the size of the decal, so non-uniform sizes work fine. 2