StarlightMods · 1.17 – 1.20Rewrites the light engine to fix lighting performance and lighting errors
Free16,365,625 downloads
A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.
Direct download from Modrinth · 16,218,972 downloads
ScalableLux is a mod made by ishland. A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.
It supports Minecraft 1.21 – 26.x. It has been downloaded 16,218,972 times on Modrinth. The last update came out on Sep 16, 2026.
ScalableLux has had 47 releases on Modrinth since Jul 2, 2024. 23 of them came out in the past year. The newest is 0.3.0-alpha.0.6+26.3, released on Sep 16, 2026. It is made for Minecraft 26.3. It runs on Fabric. The download is 188 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
0.3.0-alpha.0.6+26.3 | Sep 16, 2026 | 26.3 | Alpha |
0.3.0-alpha.0.17+26.3 | Sep 15, 2026 | 26.3 | Alpha |
0.3.0-alpha.0.4+26.3-rc-2 | Sep 12, 2026 | 26.3 | Alpha |
0.3.0-alpha.0.8+1.21.1 | Aug 16, 2026 | 1.21.1 | Alpha |
0.3.0-alpha.0.7+1.21.1 | Aug 16, 2026 | 1.21.1 | Alpha |
ScalableLux is open source. Its newest release on GitHub is backports_26.1_base, published on Jul 4, 2026.
Initial commit
Before that: 0.3.0+alpha.0 (Jul 3, 2026), 0.2.1 (Jun 12, 2026).
A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.
allowing the chunk system to scale beyond 24 threads.
It is still rather important for dedicated servers with more players to stress chunk generation.
Therefore, it is still important for Fabric or other modded servers with plenty of players.
world generation and heavy light updates scenarios.
Written by ishland. Read it with pictures on Modrinth.
This mod runs only on your own game. Servers do not need it, so you can use it on any server.
Install Fabric and NeoForge for Minecraft 1.21 – 26.x.
Download the .jar file from Modrinth and put it in the mods folder of your .minecraft directory.
Start Minecraft with the Fabric profile.
With the CraftRank Launcher you can skip these steps: open Mods, search for ScalableLux and click Install.
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| ScalableLuxthe one you looked at | 16.2M | 1.21 – 26.x | Sep 16, 2026 | Free |
| Starlightspottedleaf | 16.4M | 1.17 – 1.20 | Dec 10, 2023 | Free |
 Sodiumjellysquid3 | 251.1M | 1.16 – 26.x | 2 days ago | Free |
 ModernFixembeddedt | 83.9M | 1.16 – 26.x | 10 hours ago | Free |
Yes. ScalableLux supports Minecraft 26.x. All supported versions: 26.x, 1.21.
Yes. ScalableLux is free to download from Modrinth.
Client-side. ScalableLux goes in your own mods folder and works on any server, including servers without mods.
Yes. The last update came out in the past day.
The closest ones are Starlight, Sodium and ModernFix. Compare all alternatives
StarlightMods · 1.17 – 1.20Rewrites the light engine to fix lighting performance and lighting errors
SodiumMods · 1.16 – 26.xA high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.
ModernFixMods · 1.16 – 26.xAll-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!
Concurrent Chunk Management EngineMods · 1.17 – 26.xA Fabric mod designed to improve the chunk performance of Minecraft.
Very Many PlayersMods · 1.18 – 26.xA Fabric mod designed to improve server performance at high playercounts.
Better Block EntitiesMods · 1.21 – 26.xA Minecraft optimization mod for Fabric-Sodium that improves framerates by improving block entity rendering via a hybrid renderer
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