In version 1.21.10 or even earlier, a lot of these crucial features are finally getting touched again (such a registry being added and packets for client side world generation). All together this means Mojang is working on Jigsaw blocks again. We might get a sweet present soon :3

Have any issues? feel free to report them on the github repo. The render distance of the minimap is tied to the in-game render distance, you can zoom in and out with the + and - keys!