Yumelium

It brings powerful optimizations and shader support to MC 1.12.2. It backports Sodium, Nvidium, Lithium, and Iris, and includes features such as zoom. It is compatible with EntityCulling, Alfheim + Red Core, ParticleCulling, PacketFixer, VintageFix, FermiumASM + Fermium Booter, and UniversalTweaks. Currently, the only compatible shaders are Complementary Shaders + Euphoria Patches.

CleanroomMC, Fugue, Scalar Legacy, and Java 25 or higher are required.