Mods for 1.2.5

Async Loggerby decce6

Asynchronous logging and efficient filtering - performance improvements and utility for keeping your logs clean

Wayland Fixby stackdoubleflow

Run Minecraft natively using Wayland

Legacy OptiFabricby tildejustin

OptiFabric for Legacy Fabric (1.3.1 to 1.13.2) and Ornithe (b1.7.3 to 1.14.4)

Font Fixerby HyperSpeeed

Fixes the Font Renderer in legacy Minecraft

Windows Priority Boostby girlbossdev

Improves performance on Windows by registering Minecraft as a game

Shuttleby Dwarslooper

A lightweight open-source addon library for adding extension support to your mods

Tekkit Visuals (Classic)by DAW330073

Shaders for Tekkit Classic / MC 1.2.5: real-time shadows, waving foliage, water reflections, god rays, held-torch light — plus 3D grass, leafy canopies and visual waterlogging. Complete built-in pack, F6 menu, installs as a Java agent. No jar modding.