Lightning 1.3.0 beta-2 is a beta file of the Minecraft mod Lightning Optimizer (FPS Boost & Lag Fix) for Fabric, made for Minecraft 1.21.2-Snapshot, 1.21, 1.21.6-snapshot, 1.20.2-Snapshot, 1.20.5-Snapshot, 1.21.1-Snapshot, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.21.5-Snapshot and more. It was published on October 4, 2026 and is 0 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Lightning Optimizer (FPS Boost & Lag Fix) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
