Minecraft: Java Edition has been obfuscated since its release. This obfuscation meant that people couldn’t see our source code. Instead, everything was scrambled – and those who wanted to mod Java Edition had to try and piece together what every class and function in the code did.
Modding is at the heart of Java Edition – and obfuscation makes modding harder. We’re excited about this change to remove obfuscation, as it should make it quicker and easier for modders to create and improve mods. Now you won’t have to untangle tricky code or deal with unclear names. What’s more, de-bugging will become more straightforward, and crash logs will actually be readable!
surprisingly fantastic and consumer friendly move from mojang, good on them
Finally we can view Mojang’s shitty server multi-threading implementation in all its glory.
spoiler
___They started providing deobfuscation maps 6 years ago
TIL
So, what’s the catch? Surely Microsoft and Mojang didn’t just suddenly become good?
The monkeypaw says they will stop updates for the java edition or release a new version that doesn’t work on the java edition.
They probably see how many sales are generated from the free work done by modders though. If someone wants to come along and do for free the thing you might have to actually pay designers, developers, artists and all the support staff for and they still need to pay you to play it, you’d be foolish not to encourage the exploitation of free labor.
If that happens, the modding scene would boom incredibly
And you’d have some smart nerds who take it upon them to keep updating the game much better than Mojang ever could.
It would become open source almost
Call me ignorant, if this happened and it brought a new golden era of modding (1.7.10 style) where everyone’s playing the same version I’d be maybe the happiest player ever.
Modders backporting content is nothing new, hell, they even brought the mobs that didn’t make the cut from those stupid mob votes to life.
Let modding become the new updates, fuck it. At this point they’d likely be better realised than Microsoft’s efforts.1.7.10
Y’all can try and pull it from my cold, dead hands.
I should boot up the ol modpack and see what it do—oh, right, it crashes 🥹
Young generations and mobile players are on bedrock
Everyone else plays Java where you can easily self-host a server
I was thinking the same thing. If the de-obfuscation tools are already out there, it might cost them more money to keep that layer. Their developers also have to use it to read the crash logs and the like from the sounds of it. Less layers = less maintenance = less cost. More mods = keeps the game relevant.
Or a Bethesda style creation club is coming.
They already do that for bedrock.
Complete with microtransactions and a horrible lack of customizability! Seriously I just wanted to play some Minecraft in RTX but you literally can’t use the nVidia RTX stuff outside of the demo maps, otherwise you have to purchase a different texture pack with real money. And basically everything in the Bedrock Marketplace costs real money, and very little is free.
Meanwhile Java edition doesn’t have any paid content in part because the original Minecraft license specified anyone was free to make mods and custom content but were explicitly restricted from charging money for it
I guess it just doesn’t make sense to obfuscate it when mods in general runs the Minecraft community in turn making more profit to Mojang/Microsoft. My other suspicion is potential competition. There is this game called Vintage Story which kinda directly competes with Minecraft seems gaining ground and was built to be moddable from the start.
Exactly. Community bindings do exist and are used over the official bindings already, and I think the source code obfuscation is just an annoyance by now.
Havent they been making changes to help mod/datapack development for a while?
Modding is such a big part of the game, helping it would get more people playing the game
They made “datapack” which is a way of playing with mods without having to use third-party mod loaders like Forge and Fabric but (don’t quote me on this as I’m not a mod developer) it’s not as powerful compare to the mod loaders.
Yup. Mods can change basically EVERYTHING, compared to datapacks being able to change only what mojang wants.
Not sure if it’s just what they want, it’s mostly that Minecraft’s spaghetti code had a lot of things hardcoded. Lately they’ve been changing a lot of things to be data-driven, and able to be changed by datapacks
Luanti eating on their turf.
I doubt microsoft even knows what luanti is
Whats that?
It’s the platform that used to be MineTest, apparently
I wonder how good AI is at deobfuscating code. It seems like the kind of thing it might be good at.
With how bad it is at writing it, I’m guessing similarly bad. It’ll do something, but odds are it introduces a ton of errors that you then have to track down. That’s the best case. Worst case, it just creates something totally different that looks similar to the input but doesn’t do the same thing.
I said basically the same thing and got downvoted for it.
Hopefully the catch is nothing, but you can never be too sure.
I would advance: trying to keep the brand alive against the hidden giant of Roblox.
It’s a 20 year old game going into abandonware mode. This is the nicest way for them to do that.
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Its 16, not 20, the earliest version “Cave Game Tech Test” was in May 2009.
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They’re still actively pushing updates, a really big one is scheduled for the holiday season. Additional biomes and mini-bosses were added last year with structures hinting at development plans for a 4th dimension. The lighting engine is being actively redone.
Minecraft is absolutely not gearing down into abandonware mode.
And they finally added copper items 😂
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They should officially support the mod loaders at this point
Playing minecraft without mods as an adult is like eating a plain potato, or like going to a party without inebriating substances.
I’d say its more like going to a fancy ice cream shop with amazing ice cream and ordering vanilla (hehe see what I did there?) or a fancy pizza place known for their amazing topping combinations and just getting a slice of cheese pizza. Its perfectly fine and probably better than some other places you’ve had vanilla ice cream or cheese pizza, but holy crap are you missing out!
Then I must be the most plain motherfucker out there. I meddle with Create and Biomes o’ plenty every couple of years, but about 90% of my worlds are vanilla with the exception of a couple of Vanilla Tweaks data packs.
I tried Feed the Beast once… never again. That was the worst Minecraft experience I’ve had in my entire life!
I started with one of the optimized packs and then added stuff I thought was useful: maps, minimaps, backpacks, way stones, ultimine via enchants.
After I played that for a while and beat most of the game I wanted to, I tried a vanilla plus pack, betterMC. It had a lot of the same mods but more. After I finished that, I went with allthemods10, but at that point you do need youtube and discord open to ask questions or look up how to do certain things.
Anyways, had a blast with all of it, I’m on vacation now so I’m playing no mods on my steam deck and as long as I turn on keep inventory its not bad at all. The new copper update is pretty cool!
Edit: just want to add that applied energistics and mekanism are fantastic mods, I’d put them up there with create, so if you haven’t tried them it might be worth just adding one or both to an otherwise unmodded playthrough.
Feed the Beast is commonly overloaded and also commonly shoves things like progression and questing, which are not to everybody’s liking.
The best approach is always to add the mods you want manually to tailor the experience.
I personally had most fun with Terrafirmacraft, Thaumcraft, Electrical Age, and GregTech. But those were the days gone, and most of them got stuck at 1.7.10
Terrafirmacraft and Gregtech do actually have modern 1.20.1 versions! I am currently actually playing a modpack with some friends called Terrafirmagreg, which as the name implies is tfc and Gregtech integrated, along with a bunch of other QOL and add-ons. It is a very fun, and very very long pack.
Edit: I believe there is a 1.7 version of the pack as well
most of them got stuck at 1.7.10
As did I :) The few times I boot up MC it’s the same old modpacks on the same old versions.
I too find myself returning back there :)
So many great mods died after this version that it was impossible to recreate the experience - and I feel bad for those who joined the party later and never knew what 1.7.10 (or 1.6.4, or 1.5.2 for that matter) has to offer.
It goes so bad that when I recently loaded a newer version, I was like “what the hell is going on here” :D
1.7.10 (or 1.6.4, or 1.5.2 for that matter)
1.3 was another nasty one. That was the one where multiplayer and singleplayer were merged and LAN play was introduced. Before that mods were released specifically for either single or multiplayer and authors would have to specifically build 2 versions of every mod if they wanted to enable use in multiplayer. This shift killed a ton of mods and version 1.2.5 was a peak for mods like Red Power for example
If you use an alternate launcher like Prism Launcher it is trivial to install tons of modpacks for any version of Minecraft and manage many different mod loadouts (with handy search and auto-download of both modpacks and individual mods, plus it makes it super easy to modify a modpack you downloaded and add/remove mods) Its really the best way to play modded Minecraft (and has been since the fork from MultiMC) plus unlike most launchers which are super-simplified to not scare newbies, Prism Launcher also exposes tons of handy technical stuff if you want to dive deeper, such as optionally displaying full logs, java version and argument management, world edit and other tool integrations and more.
It goes so bad that when I recently loaded a newer version, I was like “what the hell is going on here” :D
Duude. I was super big into reading all of the changelogs and learning all of the undocumented changes from the wikis for every version and preview from when I first started playing back in Beta 1.7.3 until around version 1.6.4 or so. Booting up modern… 1.20something? I can’t even remember whats currentish anymore…anyways I’m so lost and then I try to play like a Beta 1.7.3 player and everyone else just goes “the fuck are you doing?”
No need to advertise Prism - using it already :)
Also, UltimMC is a decent offline fork for pirates and privacy enthusiasts (Disclaimer: I do not promote piracy and own a legal Minecraft license)
I’m so lost and then I try to play like a Beta 1.7.3 player and everyone else just goes “the fuck are you doing?”
Happily, I joined Minecraft when it was already 1.7.2 (release versioning, not Beta), so my ways are not THAT outdated, and obviously I never had issues with 1.7.10 because it’s literally my first version with two minor updates. Who would have known that it will all stop there…
Also, I struck some delicate balance with mods at version 1.21.1, but it is for sure still a much different experience.
Not… Really? I mean I get it if you like mods, i do too, but Minecraft offers so much out of the box that I find it extreme to claim that…
Yeah dude I totally agree! Mods are great in their own right, but there’s something to be said for the insane variety of gameplay you can get outta the base game!
Sodium, Let Me Despawn (prevents servers from going under 20TPS), No Chat Reports, and other QOL no content mods are essential for even running a server with vanilla clients tbh
Server hosting and using mods to improve performance/server moderation tools is a bit different than playing with mods.
Fair, although stock Minecraft without QOL is rough around the edges (especially if we’re talking performance or accessibility)
Even client mods are almost a must for things like saturation monitoring or ease of navigation
Once Create Mod came out, vanilla was dead to me
I look forward to several critical CVE being discovered like log4j
That would be good though. Better the communities finds them and they can be patched than when only some black hats know them.
Unironically, me too. They’re there now, waiting to be discovered. We can find them now on our terms or be surprised by them later.
Wasn’t log4j originally found by 2b2t players, then used maliciously and reported later on, then going onto get fixed by every major server framework like bukkit, paper, fabric, and more?
Why not go open source? What are they so afraid of, given anyone can now see the source code by using a simple tool?
Open source includes unlimited distribution. The game is still paid and they want to reserve distribution rights.
To add to this, it’s exclusively available on the Microsoft Store, which has gotten so bad lately that I refused the terms on their most recent update and haven’t had it installed on any machines since.
It isn’t? Minecraft: Java Edition (which is getting deobfuscated) is available on their website for Windows, MacOS and Linux. Minecraft: Bedrock Edition has nothing to do with these news.
I could be mistaken but I’m 90% sure the website redirects you to buy it on the Microsoft Store, which is also how it will be installed and launched.
No it isn’t. On Windows there are two versions of Minecraft. “Minecraft: Bedrock Edition” available as a UWP using the Microsoft Store, written in C++ and supporting crossplay with the Minecraft releases for consoles and mobile phones and “Minecraft: Java Edition” available through minecraft.net, written in Java and supporting crossplay with the MacOS and Linux versions.
The Java and Bedrock edition came bundled together for me. Maybe theres a way to redeem it somewhere other than the store, but I am still pretty sure its been the way I described ever since Minecraft was purchased by Microsoft.
You can use the same license for both, and your purchase includes access to both versions regardless of how you buy it, unless that’s changed very recently when I wasn’t looking.
Officially, both versions also explicitly require you to create (or already have) a Microsoft account to sign-in and play. Unofficially, the Java version is dead easy to pirate.
Here’s the link to the MSI for Minecraft Java: https://aka.ms/minecraftClientWindows
I doubt that, but going source available is more likely imo.
Oh I see it’s that time of the year where Mojang gives the community a bone after stomping on them the rest of the year.
Anyways as someone who has worked on Java projects extensively since 2020, very little will actually change from this. The main problem of Mojang’s asinine version numbering will continue to be a problem for any modding, server, building and resource pack projects past 1.19.
Fuckin right?
ALSO can Mojang get my goshfuckin ALPHA account back that Microsoft deleted because I wasn’t paying attention to their bullshit during COVID and now it’s gone forever even if I make a Microsoft account which I will never do and now I have to pay money to Microsoft (which I will also never do and have never done)?
I’m pretty sure it was promised to me that I’d have Minecraft access forever because I bought an alpha account, but I guess now I have to give point to a horrible soulless corp to buy it again.
This paired with the bedrock gdk release and changes to the file path so that we don’t need to use iobit unlocker to mod rtx files is some hella good vibes
Not only do I think this will generate a fair number of CVE’s, I think there will be a lot of optimization of the code going on.
Look at what happened with OpenOffice a few years back – the Oracle buyout of Sun Microsystems forced the forking of OpenOffice to LibreOffice – during which the new Dev team took the time cleanup and refactor the code. This resulted in a suite that was about 10 percent smaller, and removed a bunch of redundant things (like multiple copies of icons).
I bet we see something similar with Minecraft – even if it can’t be an “authorized” version.
This doesn’t really change too much for the modding scene, it just allows the deobfuscation step to be skipped when setting up a dev environment. Mojang has already been providing official deobfuscation mappings for years, and before that we had community-made ones which were already pretty great.
There are already plenty of mods which drastically overhaul how major parts of the game work to get better performance, and there are some projects like Gregtech: New Horizons and CleanroomMC which have pretty much completely torn apart and rebuilt the game on older versions from before official deobfuscation mappings were even available.
Right, but this means these efforts can be undertaken on the current release, and done without having to work around Mohjang’s obfuscation.
Removing this kind of barrier is a major change. Less time will be spent on trying to understand code that has been obscured from view. It will be easier to ensure “correctness” in code that is optimizing the server (ie, that new code will not break internal dependencies). It will be easier to ensure compatibility between the official release and community based extensions.
I understand that the modding community has been able to do a lot up to this point…(I play on an optimized modpack). But, I’m betting this will actually produce a larger jump in terms of the efficiency of all codebases - including Mohjangs. Just the reports that document issues (not CVE level issues) for Mohjang will lead to them improving the base code.
It has. There have been major rewrites of parts of the codebase, like Sodium, Cubic Chunk, server frameworks, just to start.
Major performance issues, and associated code fixes, have been repeatedly reported to Mojang’s tracker.
The issue is that any major modification is inherently incompatible with other major modifications, hence most persist for one version (or a few) before the devs burns out maintaining it. There are two solutions to this:
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Get Mojang to pull in large optimizations. Thus far, they have been uninterested in this (though some controversy over Optifine may have left a bad taste).
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Pull the changes into a modding framework. Understandably, Fabric/Forge aren’t willing to pull in a huge overhaul they’d have to maintain. Mojang may have similar feelings.
Some modifications (like Sodium) minimize vanilla changes to prioritize compatibility, and are popular to the extent that some other mods implement workarounds for them specifically. But this is rare, and it’s still problematic.
Get Mojang to pull in large optimizations. Thus far, they have been uninterested in this (though some controversy over Optifine may have left a bad taste).
I remember that. I think the issue there was it mostly handled badly… It seemed like Mojang was trying to go behind the communities back (which I thought sounded a lot like the way Microsoft does things…so I blamed them instead of Mojang). IMO - if this is an era of more open-collaboration it may be possible for Mojang to benefit from working with the community. (There is an excellent example of this in the way AMD has worked with the Open Source community…)
Pull the changes into a modding framework. Understandably, Fabric/Forge aren’t willing to pull in a huge overhaul they’d have to maintain. Mojang may have similar feelings.
I can see that too… That’s why I am thinking that it might be possible for there to be a more collaborative effort… Like a repository set up where community devs can submit PR’s for changes, and Mojang can either approve or deny them. If that started working well, I could see a situation where there are specifically Mojang employed community devs, the role of working on changes that will help both the main Minecraft tree and the modding community.
(Okay, I am probably more optimistic than I should be – after all Microsoft is in the mix here…)
Yeah, that sounds dreamy. It could certainly work.
And yeah, the problem is not just Microsoft but Mojang. Mojang is an extremely conservative/careful dev, even before they got bought by MS. It’s why the game hasn’t enshittified too bad, but also why development seems to move so slow for arguably the biggest game on Earth.
Collaborating via a repo like that would be… a lot.
Again, it’d be awesome and I think it would work, but it would be a massive step even if Microsoft wasn’t in the picture.
Yeah, Mojang’s conservative development style is arguably the reason for Minecraft’s success, while also being a source of frustration and friction for the community, IMO.
MS is another story altogether, though. While Mojang is a very thoughtful company, MS is driven by profit. I’m honestly surprised there aren’t more collisions between the two cultures.
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My point is that literally nobody has been looking at obfuscated code for at least 5 years by now. All the toolchains automatically handle de- and reobfuscation transparently to the point that nobody has to think about it anymore unless maybe you are one of the like 3 people who is actually maintaining the classloading stage of a modloader, or if you are manually writing a bytecode transformer (which almost nobody has needed to do for years either, ever since tools like Mixin entered the scene).
For 99.9% of the modding community, and this includes most optimization mods, the only thing that is going to change is everyone deletes a line or two from their
build.gradleand continues about their day.As far as reporting things to Mojang: again, nothing changes here either, everyone who has ever set up a mod dev environment already has a copy of the deobfuscated source code on their computer, which is the only thing they are looking at when inspecting the minecraft source code or making changes to it. There have been reports on the issue tracker with actual suggested code changes basically since the issue tracker became a thing.
Okay - I am a bit of a dreamer, but I hope that Mojang dropping the obfuscation side of things is a sign that they are interested in working more closely with the community.
Of course, if I were to put on my pessimistic hat, I might think this is a move for Mojang to distance themselves from the Java edition as it’s likely that Microsoft thinks from a business perspective focusing on Bedrock is a better deal.
Can’t say I saw that coming, particularly after Microsoft bought them. Nice to have a surprise be pleasant once in a while.
The most profitable decision for MS is to leave the golden goose alone.
I like to think that Luanti caused this.
Started experimenting with modding Luanti just last week. Was realy suprised how accesable and easy it is, even for an idiot with no experience like me!
When I’m finished with my current game (a 2D platform-adventure game made in Godot) I’m thinking of prototyping my next game in Luanti. It’ll let me experiment with ideas for a large, open-world game without needing to implement my own world-generation system and, since everything is block-based and the expected graphical fidelity is low, it’ll make creating the content a lot easier.
Every Minecraft update just makes me hum “Where’s the modding API” again.
It’s datapacks
Absolute cowards. Won’t even release the comments.
“No” - Bartosz Boq 2025
Is that going to kill the need for the various modloaders?
As I understand it no, the modloaders will still handle things like file management and conflicts and load orders and etc. Individual mods could implement solutions for that, but it makes more sense to centralize that effort around the modloaders.
What this will do is make it much less tedious to develop the mods in the first place.
(I may be wrong and the role of modloaders may have changed in the six years since I was last active in the modding scene without my knowing it)
Modloaders also mainly exist due to the onerous terms of any mojang/minecraft API for java edition that would exist - Forge/Fabric/etc… are designed to rip open the game and then stitch it back together with the desired goodies. Anything official would probably still have strings that would bind the modders, so modders won’t embrace the system wholeheartedly (similar to how datapacks can’t replace mods).
Oh, wow. Just reading the title made me really excited about this.
I don’t really care what their incentive for this was, it’s a good move for the community.
