Have you ever had a build ruined by Vanilla lighting glitches?
Well I did, and I was mad but thankfully I do mods, so I fixed those pesky glitches!
Alfheim is a lighting engine for Minecraft aiming at being more optimized and fixing bugs.
It is a fork (or a rewrite depending on your views on the ship of theseus) of Hesperus which is a fork of Phosphor
Learn more:
CurseForge
Modrinth
Alfheim 1.4