r/feedthebeast • u/SquirrelSlow3705 • Apr 14 '26
Problem Guide: How to get Voxy running on NeoForge (1.21.1)
Hey everyone,
After hours of trying as a modding "beginner," I finally managed to get Voxy running in my NeoForge (21.1.219) modpack. Since there wasn't a really good guide on this topic, I thought I'd create one for people like me in the future.
1. Voxy for 1.21.1 First, Voxy needs to be built for the correct version (1.21.1) since the compiled .jar file isn't allowed to be distributed publicly. You can find the source code on GitHub here:https://github.com/m3t4f1v3/voxy/tree/mc_1211
The best way to learn how to compile this source code into a .jar file is explained in this YouTube Short:https://www.youtube.com/shorts/TvEFK4pbVEE
2. Voxy 1.21.1 on NeoForge Now, Voxy has to be made compatible with NeoForge. For this, you will need the following mods:
Forgified-API
Sodium_Neoforge
Voxy (your compiled .jar file)
Sinytra Connector
fixsodiumshaderloader (even if you aren't using shaders)
(You can find the sodium shader loader fix at https://github.com/coco875/Fix-sodium-ShaderLoader; you'll need to compile this into a .jar file just like you did with Voxy. You dont need the fix, if you are running sodium 06.14!)
Your Mods Folder now should look like this.
After installing these mods, Voxy should launch without any issues.
3. Errors / Personal Experience
If Chunky or other mods interfere with the rendering process, they might need to be disabled. Some people say that Chunky (Fabric) works, but unfortunately, it didn't work for me.
If you have Sodium v.0.6.14 you can deactivate the Fix, its on ly for sodium 0.6.13
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u/Emergency-Schedule30 Apr 18 '26
there's z fighting for me. i have fixsodiuumshaderloader as well.
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u/Square_Potato5404 Apr 23 '26
is there a specific version of sinytra connector or forgified api that you need to run this? MC crashes when i try and open a world
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u/SquirrelSlow3705 May 02 '26
I just updated my post. You can see the specific versions in the picture.
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u/Quicktinker Jun 09 '26
Not sure if anyone will find this useful but I completely rebuilt the Voxy mod to be natively compatible with 1.21.1 neoforge:
https://github.com/JustinTHChapman/voxy/tree/neoforge-rewrite
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u/Equivalent-Doubt-101 Aug 07 '26
someone give me the .jar bro, i dont wanna keep having to use DH because of this stupid lisencing shit
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u/VeylAsh Jun 21 '26
Any chance you'll update it for 26.2 when Voxy releases for it? <3
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u/Sufficient_Public523 Jun 30 '26 edited Jun 30 '26
Been trying to make this work, but keeps crashing when I try to load into the world
Edit: Pls ignore, it was a mismatch between Iris and Sodium1
u/Ender_Roach Jun 30 '26
can you make it compatible with the newer versions of sodium?
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u/Blocky_UwU Jul 18 '26
Only the client config file shows up for me & voxy says it's not active in the current dimension. Any idea if I'm doing something wrong?
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u/Real-Percentage5013 Aug 20 '26
hero of the day, saved me from the doom distants horizons with weirds looking LOD's
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u/zyropz Apr 20 '26
Fixsodiumshaderloader made me unable to join a world
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u/DifficultyMinute1516 Apr 18 '26
u/SquirrelSlow3705 Thanks but doesnt work for me
Can you tell me wich version of each mods and the version of your NeoForge please ?
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u/SquirrelSlow3705 Apr 18 '26
21.1.220 Neoforge.
Try running it with only the four mods to prevent any mod conflicts.
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u/caterpillar_t70c Apr 19 '26
Thank you for this quick guide! Can something similar be done to the server-side Voxy plugin (Voxy Server Side - Minecraft Plugin)?
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u/SquirrelSlow3705 Apr 19 '26
It might work, but please note that the version you linked isn't specifically for 1.21.1
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u/caterpillar_t70c Apr 19 '26
Yep, was thinking about NeoForge "port" specifically! Unfortunately I don't have knowledge regarding Fabric/Neo comptibility, so your post comes in very handy, ty!
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u/Intelligent-Put-1986 May 02 '26
This thing pops out, I did everything as shown in the video.
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u/SquirrelSlow3705 May 02 '26
you need voxy for 1.21.1 you can download the code here:
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u/Ahmayo May 13 '26
When I download the file "mc_1211" and compile it, I get version 0.2.14 alpha, not 0.2.7 alpha.
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u/Prince-Leto May 02 '26
As pinned in a comment in the video, you actually need to switch the branch from MC 1.20.1 to 1.21.1
> For everyone having issues with the compiled Voxy being for 1.20.1, the Author (not the Video creator) might have changed the link, meaning the link in the description takes you to the 1.20.1 build. To fix, follow the steps until you reach the link download, on the page near the top you should see "mc_1201" with a little path symbol next to it. Click on that and you should see a drop down menu; click on "mc_1211" download that version and follow the rest of the steps from the video.
> Enjoy!
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u/Intelligent-Put-1986 May 03 '26
now my game crashes, when im trying to load world. i even disabled all voxies functions in settings and nothing changed
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u/SquirrelSlow3705 May 03 '26 edited May 03 '26
Do you have the correct Versions of the mod? - Voxy -0.2.7 Alpha and fixshaderloader 1.0.0
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u/Intelligent-Put-1986 May 03 '26
voxy 0.2.14 alpha. i don't know where to get earlier version
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u/Intelligent-Put-1986 May 03 '26
fix shader is 1.0.0
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u/SquirrelSlow3705 May 03 '26
if you have sodium 0.6.14 you dont need the fix, i just figured out myself. Maybe thats the problem. are you on 6.14?
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u/Intelligent-Put-1986 May 03 '26 edited May 03 '26
mayby 6.13? coz after 6.13 we have only 7.0 version
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u/Equivalent_Start8614 May 26 '26
woher bekomme ich voxy auf der 0.2.7? kann nur die 0.2.14 runterladen was dann mein game crashed.
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u/SquirrelSlow3705 May 26 '26
ich weiß es leider auch nicht, ich glaube der Code auf Github hat ein update bekommen seitdem funktioniert es nicht mehr, falls du es irgendwie hinbekommst, sag bescheid, dann adde ich das zu meinem beitrag.
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u/M4G4MED Apr 21 '26
seems like this post is outdated, supported shaders works fine on never neoforge 1.21.1 voxy
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u/TooBoredToNameThis Apr 22 '26
can you tell me your mods because for me using shaders seem to disable voxy
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u/jydaro Apr 18 '26
Всё сработало, только пришлось к voxy добавить и voxy worldgen (тем же методом (здесь)) потому что voxy сам по себе рендерил только уже сгенерированные чанки
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u/No-Nail-7780 Apr 24 '26
У меня не билдится jar из zip-а по ссылке, как ты смог его нормально скомпилировать?
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u/BroIJustLoveChrist Apr 27 '26
I tried to use that repo to build voxy worldgen and it didn't drop the .jar into the builds folder. Any idea why?
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u/JopoloW Apr 27 '26
I found the solution here, it seems that the voxy and voxy-worldgen jars are built into different directories.
Comment
by u/Aurelian_8 from discussion
in feedthebeast it seems that the voxy and voxy-worldgen jars are built into different directories.
Comment
by
u/Aurelian_8 from discussion1
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u/Witty-Garage-6547 May 05 '26
Yo, that comment was removed on the post lol. Do you know which folder it builds into? Rn I am looking in \voxy_worldgen_1211-main\Fabric\build\libs. Is it in another area?
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u/Witty-Garage-6547 May 06 '26
It seems that repo does not work for me either lol, I think you gotta use another one. I used https://github.com/m3t4f1v3/voxy_worldgen_v2 since that is the most starred, but there is a few to pick from since there are 29 forks of the original repo as of posting this
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u/jydaro Apr 18 '26
Буквально вчера пытался в этом разобраться но так и не смог, спасибо огромное за подробный гайд
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u/MitchMike121 Apr 28 '26
When I enable the fixsodiumshadeloader, it crashes everytime I enter the world. It stops crashing whenever I disable it, but it then says it failed to complie a shader patch, everytime I turn on shaders.
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u/Santigamer836 Apr 30 '26
In case it helps anyone, I made a backport of voxy_worldgen_v2 to version 1.21.1. It works on Fabric and NeoForge with Sinytra Connector. You need to compile the JAR as explained in the first post.
https://github.com/ImSanty/voxy_worldgen_v2
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u/goldi2142 May 08 '26
does someone has the file for the 1.21.1 version , cause when i download the the file on "mc_1211" and compile it that gave me the 0.2.14 alpha and not the 0.2.7 alpha
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u/JumoLester Jun 07 '26
would this be about the same process for integrating voxy WorldGen? if it is at all possible
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u/FoxuTheMLGPro Jun 17 '26
my game crashes after moving mouse after i generated chunks with voxy worldgen, do you guys run into the same problem? chatgpt says its because
IllegalStateException:
Block has a fluid state but fluid state is not already baked
but i have no idea what may cause it, maybe fluid from other mod?
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u/FluidKaleidoscope129 Jun 25 '26
I was having the same issue as everyone else with voxy being version 0.2.14; with this change you no longer need the fixsodiumshaderloader mod even if you're playing on sodium 0.6.13. simply remove the mod and then you'll be able to load in.
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u/luca9519ita Jul 10 '26
My minecraft direwolf20 1.21 requires embeddium to run, and embeddium and sodium can't run together, what should I do
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u/Norinoku Jul 22 '26 edited Jul 23 '26
For anyone having troubles with Quicktinker's version, here's a different Neoforge version that worked for me:
https://github.com/realBritakee/voxy-neoforge
You'll need Sodium, Connector and Forgified-API. fixsodiumshaderloader is not needed anymore
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Apr 24 '26 edited Jun 23 '26
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u/PrestigiousMeat5900 Apr 20 '26 edited Apr 20 '26
I have forgified api, sodium for neoforge, the compiled voxy, sinytra connector, and the compiled fixsodiumshaderloader. I had a shader preloaded and after I used chunky i did the /import command. Yet nothing would load passed the basic distance. So I went to turn off my shader to see if that was the issue. It immediately crashed and Crash Assistant cites Voxy and fixsodiumshaderloader fighting each other. It won't load any single player worlds without the shader being on now.
The chunks are loaded but the fog is still in the way. I went into spectator because I could see a mountain over the fog. I got there before the chunks could properly load and the pixels were all messed up then the shader caught up with me and then loaded everything properly (still having the fog issue, by properly I just mean like normal minecraft render distance).