Expected Behavior

Horses traverse landscape in a logical manner.

Actual Behavior

While being ridden, horse and player occasionally rapidly teleport into the air. Chunks appear to unload and reload during this process.

Steps to Reproduce

1. Place saddle on Draft Horse.
2. Ride draft horse.
3. Experience may vary.

Version of Minecraft, version of Animania, Single Player or Server

Minecraft v. 1.12.2
Forge: 14.23.5.2847
Animania: 1.12.2-1.7.3

Modpack for reference: https://www.curseforge.com/minecraft/modpacks/solstice/files
version: 0.3.2

Screenshots encouraged

Video example: https://clips.twitch.tv/CuriousWrongOwlOneHand

This does definitely not happen just with animania. Is this on a server?

Yes, this is on a server using the Solstice Modpack that I linked. No other mods are designed to change the functionality of horses though. So I'm stumped as to what could be causing it. I'll continue to investigate.

There has been a longstanding bug in the vanilla MC code which can cause horses to teleport, which is what I've always assumed this is (since our horses extend the vanilla class). I've also seen teleportation into the void (you can ask Darkosto about that one). Might be worth another look.