SunSky packaging error?

Has anyone else seen that the sun appears very different in the editor and once packaged? or is it just me?; I have tried, changing the atmosphere scattering scale, absorption, light shafts, etc… but the sun only looks good launching in the editor, once its packaged always looks like a circle. Or if it has to do with post-processing, why it looks good in the editor, but not once packaged?