If you are searching for Opticraft 1.17 , you are likely looking for a way to boost your FPS, add shader support, or fine-tune your visual experience in the Caves & Cliffs update (Part 1).
A: Not directly. Use OptiFabric (a separate mod) or switch to the Sodium mod for Fabric. opticraft 1.17 download
However, there is an important distinction to make before you click any download links. If you are searching for Opticraft 1