OptiFine
Optifine modifies many aspects of the game to be non-vanilla. In 1.15+, better mods which are faithful to vanilla are available (Sodium).
above response is wrong. its banned because its optifucking bad
Optifine basically modifies many ways the vanilla game operates and are not vanilla and mods like Sodium,Lithium,Starlight,LazyDFU,Krypton are much better you can also find them here https://www.minecraftspeedrunning.com/public-resources/mods
Update on version tracking for legal mods
This will not affect anybody who has updated their mods in the last 17 months. If you have updated your mods recently, you may ignore this message.
We are looking to track every single mod jar that is legal. This is feasible now that we have been tracking legal mods through GitHub. Since we
Recent runs
