In some cases you still have to do a second UV unwrap in addition to the first UV for the textures to get the optimal result, but Epic improved the automatic Lightmap-UV so might not be an in most cases anymore.
In some cases you still have to do a second UV unwrap in addition to the first UV for the textures to get the optimal result, but Epic improved the automatic Lightmap-UV so might not be an in most cases anymore.