Versions:
-Minecraft Forge: 14.23.5.2855
-Industrial Renewal: 0.21.8

What happens:
Lighting glitches with latest optifine (HD U G5)
What should happen:
No lighting glitches with optifine
Logs (if necessary):

Additional Comments:

tried smooth lightning?

Known issue, this seems abandoned, I will consider maintaining this mod in the near future, currently busy working on FBP