1080p resolution is planned for the full release (along with some less common ones), it just couldn't be included in the demo because it requires quite a bit of extra work.
we've also got some plans to make it easier to see character kits in-game, so it's good to know that's a thing people want.
thank you for the kind words, and i'm glad to hear you enjoyed the demo! we're excited to get back to working towards release ' w '