Vanilla 1.12.2 mods

Clumps XP orbs together to reduce lag

Allows you to sit on slabs and stairs.

The Aether Team presents the original Aether mod! Maintained and kept up to date for modern versions of Minecraft and fully compatible with multiplayer!

Adds >200 new structures that integrate perfectly into your world!

A small quality of life tweak to the Mending enchantment

Allows players to add banner patterns to their beds! Formerly known as Cosmetic Beds.

The Mixin Library for 1.8 - 1.12.2.

Adds things from 1.13, 1.14, 1.15, and 1.16.

The anvil has no expensive restrictions and compatible to any enchantment.

Load time and RAM use optimizations for 1.12.2

An open source performance enhancement mod.

Allows the Infinity enchantment for Water Buckets using an anvil, providing an infinite portable water source

1.12.2 Optimization and improvements mod, forked from CASM

They fished with their hands, improved fishing rods, fish traps, homemade fishing rods and etc.

Allows coloring wool and some other blocks using any RGB color value.