I just updated the component to make it compatible with latest Discourse version via this PR:
https://github.com/discourse/discourse-trendy-login/pull/3
I had to remove some customization settings to make it work with new static login page, but the component still allows adding a custom background gradient/image and allows adding detailed description on login modal. Here is how it looks with above changes:
Compared with how it looks without the component installed:
