Smooth BootMods · 1.18 – 1.20Tweaks for Minecraft CPU scheduling and unofficial fork of Smooth Boot mod for Minecraft Forge 1.18.2+
Free4,164,886 downloads
Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
ThreadTweak is a resource made by getchoo. It supports Minecraft 1.20 – 1.21. It has been downloaded 11,115,178 times on Modrinth. The last update came out on Feb 20, 2026.
ThreadTweak has had 9 releases on Modrinth since Jul 3, 2023. One of them came out in the past year. The newest is 0.1.8, released on Feb 20, 2026. It is made for Minecraft 1.21.9, 1.21.10, 1.21.11. It runs on Fabric and Quilt. The download is 60 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
0.1.8 | Feb 20, 2026 | 1.21.9, 1.21.10, 1.21.11 | Release |
0.1.7 | Apr 12, 2025 | 1.21.3 – 1.21.8 | Release |
0.1.6 | Nov 23, 2024 | 1.21.3 | Release |
0.1.5 | Aug 23, 2024 | 1.21.1 | Release |
0.1.4+mc1.21 | Jul 31, 2024 | 1.21 | Release |
ThreadTweak is open source. Its newest release on GitHub is 0.1.8, published on Feb 20, 2026.
Full Changelog: 0.1.7...0.1.8
Before that: 0.1.7 (Apr 12, 2025), 0.1.6 (Nov 23, 2024).
ThreadTweak lets you improve and tweak Minecraft CPU scheduling. It is a maintained version of the original Smooth Boot mod, allowing you to still change CPU thread priorities in-game.
While the main function of Smooth Boot was fixed in 1.19.4, the mod still allows you to adjust thread priorities, which can still be quite beneficial on some systems as shown in UltimateBoomer/mc-smoothboot #54.
Not in any way - this is simply a maintained version of the final version of Smooth Boot. There may or may not be extra features or improvements added as requested or while I have the time.
Email with permission from the original author
Hello Devin,
I certainly have no problems if you want to maintain a fork of Smooth Boot for future versions of Minecraft. I understand that Smooth Boot can still be useful in version 1.20 and later, though personally I'm not interested in maintaining the mod right now. I also suggest a different name to be used, though you don't have to if you don't want to. Smooth Boot's original purpose of making Minecraft launch faster is no longer necessary, so a different name would convey the purpose of the mod more accurately.
Thanks,
UltimateBoomer
Written by getchoo. 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 Quilt for Minecraft 1.20 – 1.21.
Add the mods it needs: Fabric API.
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 ThreadTweak and click Install.
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| ThreadTweakthe one you looked at | 11.1M | 1.20 – 1.21 | Feb 20, 2026 | Free |
| Smooth BootAbdElAziz | 4.2M | 1.18 – 1.20 | Jan 8, 2024 | Free |
 More CullingFX | 74M | 1.18 – 26.x | 1 day ago | Free |
 Enhanced Block EntitiesFoundationGames | 25.8M | 1.16 – 1.21 | Jan 20, 2025 | Free |
Not yet. The newest version it supports is Minecraft 1.21.
Yes. ThreadTweak is free to download from Modrinth.
Client-side. ThreadTweak goes in your own mods folder and works on any server, including servers without mods.
Yes: Fabric API. Install it before ThreadTweak.
Yes. The last update came out in the past day.
The closest ones are Smooth Boot, More Culling and Enhanced Block Entities. Compare all alternatives
Smooth BootMods · 1.18 – 1.20Tweaks for Minecraft CPU scheduling and unofficial fork of Smooth Boot mod for Minecraft Forge 1.18.2+
More CullingMods · 1.18 – 26.xA mod that changes how multiple types of culling are handled in order to improve performance
Enhanced Block EntitiesMods · 1.16 – 1.21Reduce block entity FPS lag with almost no compromises, and improve their visuals
ModernFix-mVUSMods · 1.21 – 26.xA fork of ModernFix that adds minor version update support.
Concurrent Chunk Management EngineMods · 1.17 – 26.xA Fabric mod designed to improve the chunk performance of Minecraft.
OculusMods · 1.16 – 1.20Unofficial Fork of "Iris", made to work with FML
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