neoforge-0.17.2+mc1.21.1

A Fullscreen map copies option lets fullscreen maps show the world once, stopping panning and zooming out at its edges.
A World Shape can be chosen for a world type from another mod that brings its own terrain generator.
A Toroidal world can be given a different size along X and along Z.
A Guaranteed fortress and bastion option makes the Nether of a Toroidal world hold at least one nether fortress and one bastion remnant.

Compact biomes shrinks biomes on a Cylinder world too, and is set on its settings screen. New chunks may not line up with land generated before.
Compact biomes in Custom takes a Shrink biomes by value up to 64.

Simple Clouds clouds and local weather now carry across the world's edge, and its storms snow wherever the world is cold enough.
Mekanism's Teleporter and Portable Teleporter now pick the nearest destination across the world's edge and charge the right amount of energy for a trip to another dimension.
Mekanism's Universal Cables, Mechanical Pipes, Pressurized Tubes, Thermodynamic Conductors and Logistical Transporters now form one network across the world's edge and carry power, fluids, gases, heat and items through it.
A Mekanism multiblock built across the world's edge — a Dynamic Tank, an Industrial Turbine, a Fission Reactor or a Supercritical Phase Shifter — now forms and works, showing what is inside its casing and sounding as it should.
Mekanism's Laser and Laser Amplifier beams now end at the mob they hit across the world's edge.
Mekanism radiation now reaches players and the Geiger Counter across the world's edge.
Biomes placed by TerraBlender mods now continue across the world's edge. New chunks may not line up with land generated before.
ScalableLux is supported.
Continents generates oceans between its continents. New chunks may not line up with land generated before.

Another mod that searches for nearby players without an entity behind the search no longer crashes the game.
A mob on a Lead follows you across the world's edge.
The Wither flies toward its target across the world's edge.
An Enderman teleports toward its target across the world's edge.
A Frog eats a small Slime or Magma Cube across the world's edge.
Light from blocks and the sky carries across the world's edge high above the ground.
A ruined portal placed with /place structure in a frozen ocean or high on a snowy slope comes out in its cold, lava-free form.
End biomes added by other mods generate in the End of a Toroidal or Cylinder world.
A mob walks around a block placed across the world's edge.
A Squid or Glow Squid hurt from across the world's edge swims away from its attacker.
A Vex hits its target across the world's edge.
A tamed Parrot lands on your shoulder across the world's edge.
Hostile mobs no longer spawn close to the world spawn point on the other side of the world's edge.
A Sculk Catalyst spreads sculk from a mob killed across the world's edge.
The chunk grid on the world loading screen shows the chunks across the world's edge loading.
Fixed a crash while land generates at the world's edge in worlds with a terrain mod such as Streams Reflowing.
Fixed one smaller bug.

Fixed a server crash when an explosion breaks one of several Sable ships joined together.
Fixed one smaller bug.

Exotic Worlds