Looks fine to me, the PR definitely was. The biggest problem most people seem to encounter is keeping their working branch up to date without getting merges and pull mixed in, but that's normally fairly easily fixed and rebasing is easy.
I have rebooted my game and they do look cool, going to have to get used to a new look for them but I'll get there, the Organic Line definitely looks much prettier now than it did a few weeks ago (I'm loving the new BioAdaptive hull art as well, the new icon looks much better.
Development of artwork, requests, suggestions, samples, or if you have artwork to offer. Primarily for the artists.
The PR for the .blend assets is here: https://github.com/freeorion/freeorion-assets/pull/3