I'm sorry for creating this post since the problem was overdraw prevention. If anyone has this problem set overdraw to max 2 chunks.

old part of post:
So the mod itself looks beatiful but when using it with DH I get these weird chunks of void that separate vanilla loaded chunks and Bliss chunks. Does anyone know how to get Bliss working with DH?
I downloaded Bliss from the green code button, DH is version 2.2.1-a, Minecraft is Fabric 1.21.1

Any help appreciated, thanks in advance :)
Edit: forgot to mention I have iris, indium and sodium

overdraw prevention is intentionally creating that hole. non-full block models or glass will be horribly bad looking when the sky is behind them if this feature did not exist.

for example, they would look bugged like this without overdraw prevention.