ArchaicFix
Swiss army knife of bugfixes and performance improvements for MC 1.7.10
- Loaders
- Forge
- Downloads on Modrinth
- 272K
- Followers on Modrinth
- 27
- versions
- 15
- Updated
- October 23, 2026Oct 23
- Published
- in 2023
At a glance
Works both in the game and on the server — install where you need it
ArchaicFix implements a number of bugfixes and optimizations for Minecraft 1.7.10. Please see the README on GitHub for a more complete list, but here are a few highlights:
- Removes/reduces the infamous client-side stuttering in 1.7.10, particularly in biomes with many light updates like jungles
- Backport of the Phosphor lighting engine (the original repository is no longer available, this link leads to my 1.12 fork which is the closest to the original, and still has the original branch)
- An improved version of occlusion culling (not compatible with OF/FC, and thus disabled by default)
- Threaded chunk updates (reduces stutter when placing blocks, also not compatible with OF/FC & disabled by default)
- Many other fixes for various vanilla issues
Additionally, ArchaicFix patches a few common annoyances in other mods.
Newer versions of ArchaicFix require a GTNHMixins-compatible mixin loader like UniMixins to be installed.
FAQ
How to install ArchaicFix?
Install Forge for your Minecraft version, download ArchaicFix for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does ArchaicFix support?
ArchaicFix has builds for Minecraft 1.7.10.
Is ArchaicFix needed on the server?
Works on either side — install it in the game, on the server, or both
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