Hello, @spikeyxxx thank you very much for your response!
I do believe that I understand what you are saying. It appears that due to compression artefacts my normals are not perfectly straight and then because the uvs are getting mirrored it becomes very apparent as the two angles are fighting each other and are not pointing directly up. I have attached a visual guide below which may assist anyone else if they experience the same issue. Thank you again for your help, it goes a long way and I really appreciate it!
>>If I find out anything else regarding this as I continue working with Blender I will make sure to do another post in this thread. I will be marking it as solved for now though. Thank you again! 🙂
Good normal map:
↑ ↑ ↑ ↑
Mirror (with seam):
↑ ↑ | ↑ ↑
**********
Bad normal map:
↗ ↑ ↖ ↑
Mirror (with seam):
↗ ↑ | ↗ ↑
