Immersive Portals Reborn is a fork of Immersive Portals by qouteall with updated mod compatibility & (soon) support for newer versions of Minecraft
Progress on updating versions can be loosely tracked here
Original Description
Allows seeing through portals and directly walk into the portal without loading screen. Portals can "fold" space and create uneuclidian geometry with rotation and scale transformations.

Also has mirrors, dimension stack, world wrapping, scale box wrapping, commands for customizing portals, datapack functionality for customizing portals. See the wiki for more details.
Wiki (WIP)
It's not recommended to use this mod with Sinytra Connector.

