Custom blocks/biomes

[Jafesu]

Expected behavior

I saw an old issue regarding this same thing, but I wanted to see more recently if this is a thing or if there is an addon mod I can use to do this. I am running Fabric 1.20.1

Observed/actual behavior

Does not render custom/modded blocks/biomes

Steps/models to reproduce

Run on modded server

Version

3.7-beta-6

Agreements

• I am running the latest version of the mod.
• My version of Minecraft is supported.
• I have searched for and ensured there isn't already an open issue regarding this.

Other

No response