Looking lovely Wesley! Have you tried when importing, instead of selecting 'normalmap' select 'uncompressed_normalmap' ? its named something similar to that.
1. Hm as for UV. That also happened to me. I uv the mesh in rizom-uv to check it out. Whenever I imported the mesh the UV was broken but when I re-imported the mesh the UV was as good as it was in rizom-uv. I don't know what the problem is. 2. About using less support loops. I wanted to have smooth areas in those areas,…