1.0.0 is a release file of the Minecraft mod Okyanus Optimizations, made for Minecraft 1.14.3. It was published on July 2, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Okyanus Optimizations mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
