Immersive PortalsAn open-source Minecraft mod that provides see-through portals and seamless teleportation.

@qouteall is the main developer and maintains the Fabric version. Support qouteall on Patreon.
@Nick1st maintains the Forge version.
Features
Rotation Transformation:

Scale Transformation:

Dimension Stack:

Mirror:

And much more. See the wiki for more details.